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libheimdal - The Heimdal implementation of the Kerberos 5 protocol

Heimdal is an implementation of Kerberos 5 (and some more stuff) largely written in Sweden (which was important when we started writing it, less so now). It is freely available under a three clause BSD style license.
Other free implementations include the one from MIT, and Shishi. Also Microsoft Windows and Sun's Java come with implementations of Kerberos.
This package only provides libraries and devel files (binaries have been removed), libraries are required by 64-bit package of ICAClient version 13.2.
7.7.0
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Latest updates

OpenSUSE Tumbleweed icon

OpenSUSE Tumbleweed oss: Updated from 7.7.0-1.1 to 7.7.0-1.2

Jul 16
  • Update to version 7.7.0
    • Bug fixes:
    • PKCS#11 hcrypto back-end:
      • initialize the p11_module_load function list
      • verify that not only is a mechanism present but that its
      mechanism info states that it offers the required encryption, decryption or digest services
    • krb5:
      • Starting with 7.6, Heimdal permitted requesting
      authenticated anonymous tickets. However, it did not verify that a KDC in fact returned an anonymous ticket when one was requested.
      • Cease setting the KDCOption reaquest_anonymous flag when
      issuing S4UProxy (constrained delegation) TGS requests.
      • when the Win2K PKINIT compatibility option is set, do not
      require krbtgt otherName to match when validating KDC certificate.
      • set PKINIT_BTMM flag per Apple implementation
      • use memset_s() instead of memset()
    • kdc:
      • When generating KRB5SignedPath in the AS, use the reply
      client name rather than the one from the request, so validation will work correctly in the TGS.
      • allow checksum of PA-FOR-USER to be HMAC_MD5. Even if TGT
      used an enctype with a different checksum. Per [MS-SFU]
      1. 2.1 PA-FOR-USER the checksum is always HMAC_MD5, and
      that's what Windows and MIT clients send.
      In Heimdal both the client and kdc use instead the checksum of the TGT, and therefore work with each other but Windows and MIT clients fail against Heimdal KDC. Both Windows and MIT KDC would allow any keyed checksum to be used so Heimdal client work fine against it.
      Change Heimdal KDC to allow HMAC_MD5 even for non RC4 based TGT in order to support per-spec clients.
      • use memset_s() instead of memset()
      • Detect Heimdal 1.0 through 7.6 clients that issue
      S4UProxy (constrained delegation) TGS Requests with the request anonymous flag set. These requests will be treated as S4UProxy requests and not anonymous requests.
    • HDB:
      • Set SQLite3 backend default page size to 8KB.
      • Add hdb_set_sync() method
    • kadmind:
      • disable HDB sync during database load avoiding
      unnecessary disk i/o.
    • ipropd:
      • disable HDB sync during receive_everything. Doing an
      fsync per-record when receiving the complete HDB is a performance disaster. Among other things, if the HDB is very large, then one slave receving a full HDB can cause other slaves to timeout and, if HDB write activity is high enough to cause iprop log truncation, then also need full syncs, which leads to a cycle of full syncs for all slaves until HDB write activity drops.
      Allowing the iprop log to be larger helps, but improving receive_everything() performance helps even more.
    • kinit:
      • Anonymous PKINIT tickets discard the realm information
      used to locate the issuing AS. Store the issuing realm in the credentials cache in order to locate a KDC which can renew them.
      • Do not leak the result of krb5_cc_get_config() when
      determining anonymous PKINIT start realm.
    • klist:
      • Show transited-policy-checked, ok-as-delegate and
      anonymous flags when listing credentials.
    • tests:
      • Regenerate certs so that they expire before the 2038
      armageddon so the test suite will pass on 32-bit operating systems until the underlying issues can be resolved.
    • Solaris:
      • Define _STDC_C11_BCI for memset_s prototype
    • build tooling:
      • Convert from python 2 to python 3
    • documentation:
      • rename verify-password to verify-password-quality
      • hprop default mode is encrypt
      • kadmind "all" permission does not include "get-keys"
      • verify-password-quality might not be stateless
    • Version 7.6.0
      • Security (#555):
      • CVE-2018-16860 Heimdal KDC: Reject PA-S4U2Self with unkeyed checksum
        When the Heimdal KDC checks the checksum that is placed on the S4U2Self packet by the server to protect the requested principal against modification, it does not confirm that the checksum algorithm that protects the user name
        (principal) in the request is keyed. This allows a man-in-the-middle attacker who can intercept the request to the KDC to modify the packet by replacing the user name
        (principal) in the request with any desired user name
        (principal) that exists in the KDC and replace the checksum protecting that name with a CRC32 checksum (which requires no prior knowledge to compute).
        This would allow a S4U2Self ticket requested on behalf of user name (principal) to any service to be changed to a S4U2Self ticket with a user name (principal) of . This ticket would then contain the PAC of the modified user name (principal).
      • CVE-2019-12098, client-only:
        RFC8062 Section 7 requires verification of the PA-PKINIT-KX key exchange when anonymous PKINIT is used. Failure to do so can permit an active attacker to become a man-in-the-middle.
      • Bug fixes:
      • Happy eyeballs: Don't wait for responses from known-unreachable KDCs.
      • kdc:
        • check return copy_Realm, copy_PrincipalName,
        copy_EncryptionKey
      • kinit:
        • cleanup temporary ccaches
        • see man page for "kinit --anonymous" command line syntax
        change
      • kdc:
        • Make anonymous AS-requests more RFC8062-compliant.
        Updated expired test certificates
      • Solaris:
        • PKCS#11 hcrypto backend broken since 7.0.1
        • Building with Sun Pro C
      • Features:
      • kuser: support authenticated anonymous AS-REQs in kinit
      • kdc: support for anonymous TGS-REQs
      • kgetcred support for anonymous service tickets
      • Support builds with OpenSSL 1.1.1
    • fixed heimdal-patched.diff and reproducible.patch
OpenSUSE Leap 42.3 icon

OpenSUSE Leap 42.3 update/oss: Updated from 7.5.0-9.1 to 7.7.0-12.1

Jul 01
  • Update to version 7.7.0
    • Bug fixes:
    • PKCS#11 hcrypto back-end:
      • initialize the p11_module_load function list
      • verify that not only is a mechanism present but that its
      mechanism info states that it offers the required encryption, decryption or digest services
    • krb5:
      • Starting with 7.6, Heimdal permitted requesting
      authenticated anonymous tickets. However, it did not verify that a KDC in fact returned an anonymous ticket when one was requested.
      • Cease setting the KDCOption reaquest_anonymous flag when
      issuing S4UProxy (constrained delegation) TGS requests.
      • when the Win2K PKINIT compatibility option is set, do not
      require krbtgt otherName to match when validating KDC certificate.
      • set PKINIT_BTMM flag per Apple implementation
      • use memset_s() instead of memset()
    • kdc:
      • When generating KRB5SignedPath in the AS, use the reply
      client name rather than the one from the request, so validation will work correctly in the TGS.
      • allow checksum of PA-FOR-USER to be HMAC_MD5. Even if TGT
      used an enctype with a different checksum. Per [MS-SFU]
      1. 2.1 PA-FOR-USER the checksum is always HMAC_MD5, and
      that's what Windows and MIT clients send.
      In Heimdal both the client and kdc use instead the checksum of the TGT, and therefore work with each other but Windows and MIT clients fail against Heimdal KDC. Both Windows and MIT KDC would allow any keyed checksum to be used so Heimdal client work fine against it.
      Change Heimdal KDC to allow HMAC_MD5 even for non RC4 based TGT in order to support per-spec clients.
      • use memset_s() instead of memset()
      • Detect Heimdal 1.0 through 7.6 clients that issue
      S4UProxy (constrained delegation) TGS Requests with the request anonymous flag set. These requests will be treated as S4UProxy requests and not anonymous requests.
    • HDB:
      • Set SQLite3 backend default page size to 8KB.
      • Add hdb_set_sync() method
    • kadmind:
      • disable HDB sync during database load avoiding
      unnecessary disk i/o.
    • ipropd:
      • disable HDB sync during receive_everything. Doing an
      fsync per-record when receiving the complete HDB is a performance disaster. Among other things, if the HDB is very large, then one slave receving a full HDB can cause other slaves to timeout and, if HDB write activity is high enough to cause iprop log truncation, then also need full syncs, which leads to a cycle of full syncs for all slaves until HDB write activity drops.
      Allowing the iprop log to be larger helps, but improving receive_everything() performance helps even more.
    • kinit:
      • Anonymous PKINIT tickets discard the realm information
      used to locate the issuing AS. Store the issuing realm in the credentials cache in order to locate a KDC which can renew them.
      • Do not leak the result of krb5_cc_get_config() when
      determining anonymous PKINIT start realm.
    • klist:
      • Show transited-policy-checked, ok-as-delegate and
      anonymous flags when listing credentials.
    • tests:
      • Regenerate certs so that they expire before the 2038
      armageddon so the test suite will pass on 32-bit operating systems until the underlying issues can be resolved.
    • Solaris:
      • Define _STDC_C11_BCI for memset_s prototype
    • build tooling:
      • Convert from python 2 to python 3
    • documentation:
      • rename verify-password to verify-password-quality
      • hprop default mode is encrypt
      • kadmind "all" permission does not include "get-keys"
      • verify-password-quality might not be stateless
    • Version 7.6.0
      • Security (#555):
      • CVE-2018-16860 Heimdal KDC: Reject PA-S4U2Self with unkeyed checksum
        When the Heimdal KDC checks the checksum that is placed on the S4U2Self packet by the server to protect the requested principal against modification, it does not confirm that the checksum algorithm that protects the user name
        (principal) in the request is keyed. This allows a man-in-the-middle attacker who can intercept the request to the KDC to modify the packet by replacing the user name
        (principal) in the request with any desired user name
        (principal) that exists in the KDC and replace the checksum protecting that name with a CRC32 checksum (which requires no prior knowledge to compute).
        This would allow a S4U2Self ticket requested on behalf of user name (principal) to any service to be changed to a S4U2Self ticket with a user name (principal) of . This ticket would then contain the PAC of the modified user name (principal).
      • CVE-2019-12098, client-only:
        RFC8062 Section 7 requires verification of the PA-PKINIT-KX key exchange when anonymous PKINIT is used. Failure to do so can permit an active attacker to become a man-in-the-middle.
      • Bug fixes:
      • Happy eyeballs: Don't wait for responses from known-unreachable KDCs.
      • kdc:
        • check return copy_Realm, copy_PrincipalName,
        copy_EncryptionKey
      • kinit:
        • cleanup temporary ccaches
        • see man page for "kinit --anonymous" command line syntax
        change
      • kdc:
        • Make anonymous AS-requests more RFC8062-compliant.
        Updated expired test certificates
      • Solaris:
        • PKCS#11 hcrypto backend broken since 7.0.1
        • Building with Sun Pro C
      • Features:
      • kuser: support authenticated anonymous AS-REQs in kinit
      • kdc: support for anonymous TGS-REQs
      • kgetcred support for anonymous service tickets
      • Support builds with OpenSSL 1.1.1
    • fixed heimdal-patched.diff and reproducible.patch
OpenSUSE Leap 15.1 icon

OpenSUSE Leap 15.1 update/oss: Version 7.7.0-lp151.3.3.1 introduced

Jul 01
  • Update to version 7.7.0
    • Bug fixes:
    • PKCS#11 hcrypto back-end:
      • initialize the p11_module_load function list
      • verify that not only is a mechanism present but that its
      mechanism info states that it offers the required encryption, decryption or digest services
    • krb5:
      • Starting with 7.6, Heimdal permitted requesting
      authenticated anonymous tickets. However, it did not verify that a KDC in fact returned an anonymous ticket when one was requested.
      • Cease setting the KDCOption reaquest_anonymous flag when
      issuing S4UProxy (constrained delegation) TGS requests.
      • when the Win2K PKINIT compatibility option is set, do not
      require krbtgt otherName to match when validating KDC certificate.
      • set PKINIT_BTMM flag per Apple implementation
      • use memset_s() instead of memset()
    • kdc:
      • When generating KRB5SignedPath in the AS, use the reply
      client name rather than the one from the request, so validation will work correctly in the TGS.
      • allow checksum of PA-FOR-USER to be HMAC_MD5. Even if TGT
      used an enctype with a different checksum. Per [MS-SFU]
      1. 2.1 PA-FOR-USER the checksum is always HMAC_MD5, and
      that's what Windows and MIT clients send.
      In Heimdal both the client and kdc use instead the checksum of the TGT, and therefore work with each other but Windows and MIT clients fail against Heimdal KDC. Both Windows and MIT KDC would allow any keyed checksum to be used so Heimdal client work fine against it.
      Change Heimdal KDC to allow HMAC_MD5 even for non RC4 based TGT in order to support per-spec clients.
      • use memset_s() instead of memset()
      • Detect Heimdal 1.0 through 7.6 clients that issue
      S4UProxy (constrained delegation) TGS Requests with the request anonymous flag set. These requests will be treated as S4UProxy requests and not anonymous requests.
    • HDB:
      • Set SQLite3 backend default page size to 8KB.
      • Add hdb_set_sync() method
    • kadmind:
      • disable HDB sync during database load avoiding
      unnecessary disk i/o.
    • ipropd:
      • disable HDB sync during receive_everything. Doing an
      fsync per-record when receiving the complete HDB is a performance disaster. Among other things, if the HDB is very large, then one slave receving a full HDB can cause other slaves to timeout and, if HDB write activity is high enough to cause iprop log truncation, then also need full syncs, which leads to a cycle of full syncs for all slaves until HDB write activity drops.
      Allowing the iprop log to be larger helps, but improving receive_everything() performance helps even more.
    • kinit:
      • Anonymous PKINIT tickets discard the realm information
      used to locate the issuing AS. Store the issuing realm in the credentials cache in order to locate a KDC which can renew them.
      • Do not leak the result of krb5_cc_get_config() when
      determining anonymous PKINIT start realm.
    • klist:
      • Show transited-policy-checked, ok-as-delegate and
      anonymous flags when listing credentials.
    • tests:
      • Regenerate certs so that they expire before the 2038
      armageddon so the test suite will pass on 32-bit operating systems until the underlying issues can be resolved.
    • Solaris:
      • Define _STDC_C11_BCI for memset_s prototype
    • build tooling:
      • Convert from python 2 to python 3
    • documentation:
      • rename verify-password to verify-password-quality
      • hprop default mode is encrypt
      • kadmind "all" permission does not include "get-keys"
      • verify-password-quality might not be stateless
    • Version 7.6.0
      • Security (#555):
      • CVE-2018-16860 Heimdal KDC: Reject PA-S4U2Self with unkeyed checksum
        When the Heimdal KDC checks the checksum that is placed on the S4U2Self packet by the server to protect the requested principal against modification, it does not confirm that the checksum algorithm that protects the user name
        (principal) in the request is keyed. This allows a man-in-the-middle attacker who can intercept the request to the KDC to modify the packet by replacing the user name
        (principal) in the request with any desired user name
        (principal) that exists in the KDC and replace the checksum protecting that name with a CRC32 checksum (which requires no prior knowledge to compute).
        This would allow a S4U2Self ticket requested on behalf of user name (principal) to any service to be changed to a S4U2Self ticket with a user name (principal) of . This ticket would then contain the PAC of the modified user name (principal).
      • CVE-2019-12098, client-only:
        RFC8062 Section 7 requires verification of the PA-PKINIT-KX key exchange when anonymous PKINIT is used. Failure to do so can permit an active attacker to become a man-in-the-middle.
      • Bug fixes:
      • Happy eyeballs: Don't wait for responses from known-unreachable KDCs.
      • kdc:
        • check return copy_Realm, copy_PrincipalName,
        copy_EncryptionKey
      • kinit:
        • cleanup temporary ccaches
        • see man page for "kinit --anonymous" command line syntax
        change
      • kdc:
        • Make anonymous AS-requests more RFC8062-compliant.
        Updated expired test certificates
      • Solaris:
        • PKCS#11 hcrypto backend broken since 7.0.1
        • Building with Sun Pro C
      • Features:
      • kuser: support authenticated anonymous AS-REQs in kinit
      • kdc: support for anonymous TGS-REQs
      • kgetcred support for anonymous service tickets
      • Support builds with OpenSSL 1.1.1
    • fixed heimdal-patched.diff and reproducible.patch
OpenSUSE Leap 15.0 icon

OpenSUSE Leap 15.0 update/oss: Version 7.7.0-lp150.2.3.1 introduced

Jul 01
  • Update to version 7.7.0
    • Bug fixes:
    • PKCS#11 hcrypto back-end:
      • initialize the p11_module_load function list
      • verify that not only is a mechanism present but that its
      mechanism info states that it offers the required encryption, decryption or digest services
    • krb5:
      • Starting with 7.6, Heimdal permitted requesting
      authenticated anonymous tickets. However, it did not verify that a KDC in fact returned an anonymous ticket when one was requested.
      • Cease setting the KDCOption reaquest_anonymous flag when
      issuing S4UProxy (constrained delegation) TGS requests.
      • when the Win2K PKINIT compatibility option is set, do not
      require krbtgt otherName to match when validating KDC certificate.
      • set PKINIT_BTMM flag per Apple implementation
      • use memset_s() instead of memset()
    • kdc:
      • When generating KRB5SignedPath in the AS, use the reply
      client name rather than the one from the request, so validation will work correctly in the TGS.
      • allow checksum of PA-FOR-USER to be HMAC_MD5. Even if TGT
      used an enctype with a different checksum. Per [MS-SFU]
      1. 2.1 PA-FOR-USER the checksum is always HMAC_MD5, and
      that's what Windows and MIT clients send.
      In Heimdal both the client and kdc use instead the checksum of the TGT, and therefore work with each other but Windows and MIT clients fail against Heimdal KDC. Both Windows and MIT KDC would allow any keyed checksum to be used so Heimdal client work fine against it.
      Change Heimdal KDC to allow HMAC_MD5 even for non RC4 based TGT in order to support per-spec clients.
      • use memset_s() instead of memset()
      • Detect Heimdal 1.0 through 7.6 clients that issue
      S4UProxy (constrained delegation) TGS Requests with the request anonymous flag set. These requests will be treated as S4UProxy requests and not anonymous requests.
    • HDB:
      • Set SQLite3 backend default page size to 8KB.
      • Add hdb_set_sync() method
    • kadmind:
      • disable HDB sync during database load avoiding
      unnecessary disk i/o.
    • ipropd:
      • disable HDB sync during receive_everything. Doing an
      fsync per-record when receiving the complete HDB is a performance disaster. Among other things, if the HDB is very large, then one slave receving a full HDB can cause other slaves to timeout and, if HDB write activity is high enough to cause iprop log truncation, then also need full syncs, which leads to a cycle of full syncs for all slaves until HDB write activity drops.
      Allowing the iprop log to be larger helps, but improving receive_everything() performance helps even more.
    • kinit:
      • Anonymous PKINIT tickets discard the realm information
      used to locate the issuing AS. Store the issuing realm in the credentials cache in order to locate a KDC which can renew them.
      • Do not leak the result of krb5_cc_get_config() when
      determining anonymous PKINIT start realm.
    • klist:
      • Show transited-policy-checked, ok-as-delegate and
      anonymous flags when listing credentials.
    • tests:
      • Regenerate certs so that they expire before the 2038
      armageddon so the test suite will pass on 32-bit operating systems until the underlying issues can be resolved.
    • Solaris:
      • Define _STDC_C11_BCI for memset_s prototype
    • build tooling:
      • Convert from python 2 to python 3
    • documentation:
      • rename verify-password to verify-password-quality
      • hprop default mode is encrypt
      • kadmind "all" permission does not include "get-keys"
      • verify-password-quality might not be stateless
    • Version 7.6.0
      • Security (#555):
      • CVE-2018-16860 Heimdal KDC: Reject PA-S4U2Self with unkeyed checksum
        When the Heimdal KDC checks the checksum that is placed on the S4U2Self packet by the server to protect the requested principal against modification, it does not confirm that the checksum algorithm that protects the user name
        (principal) in the request is keyed. This allows a man-in-the-middle attacker who can intercept the request to the KDC to modify the packet by replacing the user name
        (principal) in the request with any desired user name
        (principal) that exists in the KDC and replace the checksum protecting that name with a CRC32 checksum (which requires no prior knowledge to compute).
        This would allow a S4U2Self ticket requested on behalf of user name (principal) to any service to be changed to a S4U2Self ticket with a user name (principal) of . This ticket would then contain the PAC of the modified user name (principal).
      • CVE-2019-12098, client-only:
        RFC8062 Section 7 requires verification of the PA-PKINIT-KX key exchange when anonymous PKINIT is used. Failure to do so can permit an active attacker to become a man-in-the-middle.
      • Bug fixes:
      • Happy eyeballs: Don't wait for responses from known-unreachable KDCs.
      • kdc:
        • check return copy_Realm, copy_PrincipalName,
        copy_EncryptionKey
      • kinit:
        • cleanup temporary ccaches
        • see man page for "kinit --anonymous" command line syntax
        change
      • kdc:
        • Make anonymous AS-requests more RFC8062-compliant.
        Updated expired test certificates
      • Solaris:
        • PKCS#11 hcrypto backend broken since 7.0.1
        • Building with Sun Pro C
      • Features:
      • kuser: support authenticated anonymous AS-REQs in kinit
      • kdc: support for anonymous TGS-REQs
      • kgetcred support for anonymous service tickets
      • Support builds with OpenSSL 1.1.1
    • fixed heimdal-patched.diff and reproducible.patch
OpenSUSE Tumbleweed icon

OpenSUSE Tumbleweed oss: Updated from 7.5.0-2.4 to 7.7.0-1.1

Jun 28
  • Update to version 7.7.0
    • Bug fixes:
    • PKCS#11 hcrypto back-end:
      • initialize the p11_module_load function list
      • verify that not only is a mechanism present but that its
      mechanism info states that it offers the required encryption, decryption or digest services
    • krb5:
      • Starting with 7.6, Heimdal permitted requesting
      authenticated anonymous tickets. However, it did not verify that a KDC in fact returned an anonymous ticket when one was requested.
      • Cease setting the KDCOption reaquest_anonymous flag when
      issuing S4UProxy (constrained delegation) TGS requests.
      • when the Win2K PKINIT compatibility option is set, do not
      require krbtgt otherName to match when validating KDC certificate.
      • set PKINIT_BTMM flag per Apple implementation
      • use memset_s() instead of memset()
    • kdc:
      • When generating KRB5SignedPath in the AS, use the reply
      client name rather than the one from the request, so validation will work correctly in the TGS.
      • allow checksum of PA-FOR-USER to be HMAC_MD5. Even if TGT
      used an enctype with a different checksum. Per [MS-SFU]
      1. 2.1 PA-FOR-USER the checksum is always HMAC_MD5, and
      that's what Windows and MIT clients send.
      In Heimdal both the client and kdc use instead the checksum of the TGT, and therefore work with each other but Windows and MIT clients fail against Heimdal KDC. Both Windows and MIT KDC would allow any keyed checksum to be used so Heimdal client work fine against it.
      Change Heimdal KDC to allow HMAC_MD5 even for non RC4 based TGT in order to support per-spec clients.
      • use memset_s() instead of memset()
      • Detect Heimdal 1.0 through 7.6 clients that issue
      S4UProxy (constrained delegation) TGS Requests with the request anonymous flag set. These requests will be treated as S4UProxy requests and not anonymous requests.
    • HDB:
      • Set SQLite3 backend default page size to 8KB.
      • Add hdb_set_sync() method
    • kadmind:
      • disable HDB sync during database load avoiding
      unnecessary disk i/o.
    • ipropd:
      • disable HDB sync during receive_everything. Doing an
      fsync per-record when receiving the complete HDB is a performance disaster. Among other things, if the HDB is very large, then one slave receving a full HDB can cause other slaves to timeout and, if HDB write activity is high enough to cause iprop log truncation, then also need full syncs, which leads to a cycle of full syncs for all slaves until HDB write activity drops.
      Allowing the iprop log to be larger helps, but improving receive_everything() performance helps even more.
    • kinit:
      • Anonymous PKINIT tickets discard the realm information
      used to locate the issuing AS. Store the issuing realm in the credentials cache in order to locate a KDC which can renew them.
      • Do not leak the result of krb5_cc_get_config() when
      determining anonymous PKINIT start realm.
    • klist:
      • Show transited-policy-checked, ok-as-delegate and
      anonymous flags when listing credentials.
    • tests:
      • Regenerate certs so that they expire before the 2038
      armageddon so the test suite will pass on 32-bit operating systems until the underlying issues can be resolved.
    • Solaris:
      • Define _STDC_C11_BCI for memset_s prototype
    • build tooling:
      • Convert from python 2 to python 3
    • documentation:
      • rename verify-password to verify-password-quality
      • hprop default mode is encrypt
      • kadmind "all" permission does not include "get-keys"
      • verify-password-quality might not be stateless
    • Version 7.6.0
      • Security (#555):
      • CVE-2018-16860 Heimdal KDC: Reject PA-S4U2Self with unkeyed checksum
        When the Heimdal KDC checks the checksum that is placed on the S4U2Self packet by the server to protect the requested principal against modification, it does not confirm that the checksum algorithm that protects the user name
        (principal) in the request is keyed. This allows a man-in-the-middle attacker who can intercept the request to the KDC to modify the packet by replacing the user name
        (principal) in the request with any desired user name
        (principal) that exists in the KDC and replace the checksum protecting that name with a CRC32 checksum (which requires no prior knowledge to compute).
        This would allow a S4U2Self ticket requested on behalf of user name (principal) to any service to be changed to a S4U2Self ticket with a user name (principal) of . This ticket would then contain the PAC of the modified user name (principal).
      • CVE-2019-12098, client-only:
        RFC8062 Section 7 requires verification of the PA-PKINIT-KX key exchange when anonymous PKINIT is used. Failure to do so can permit an active attacker to become a man-in-the-middle.
      • Bug fixes:
      • Happy eyeballs: Don't wait for responses from known-unreachable KDCs.
      • kdc:
        • check return copy_Realm, copy_PrincipalName,
        copy_EncryptionKey
      • kinit:
        • cleanup temporary ccaches
        • see man page for "kinit --anonymous" command line syntax
        change
      • kdc:
        • Make anonymous AS-requests more RFC8062-compliant.
        Updated expired test certificates
      • Solaris:
        • PKCS#11 hcrypto backend broken since 7.0.1
        • Building with Sun Pro C
      • Features:
      • kuser: support authenticated anonymous AS-REQs in kinit
      • kdc: support for anonymous TGS-REQs
      • kgetcred support for anonymous service tickets
      • Support builds with OpenSSL 1.1.1
    • fixed heimdal-patched.diff and reproducible.patch
OpenSUSE Tumbleweed icon

OpenSUSE Tumbleweed oss: Updated from 7.5.0-2.2 to 7.5.0-2.4

Jun 17
  • Add reproducible.patch to override build date (boo#1047218)
  • Use constant hostname (boo#1084909)
OpenSUSE Leap 15.1 icon

OpenSUSE Leap 15.1 oss: Updated from 7.5.0-lp151.2.42 to 7.5.0-lp151.2.43

Apr 09
  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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Mar 30
  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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Mar 14
  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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Feb 26
  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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Feb 19
  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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Feb 12
  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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Feb 06
  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
OpenSUSE Tumbleweed icon

OpenSUSE Tumbleweed oss: Updated from 7.5.0-2.1 to 7.5.0-2.2

Feb 03
  • Add reproducible.patch to override build date (boo#1047218)
  • Use constant hostname (boo#1084909)
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Jan 29
  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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Jan 23
  • Update to version 7.5.0
    • Security
    • Fix CVE-2017-17439, which is a remote denial of service vulnerability:
      In Heimdal 7.1 through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm.
    • Bug fixes
    • Handle long input lines when reloading database dumps.
    • In pre-forked mode (default on Unix), correctly clear the process ids of exited children, allowing new child processes to replace the old.
    • Fixed incorrect KDC response when no-cross realm TGT exists, allowing client requests to fail quickly rather than time out after trying to get a correct answer from each KDC.
  • Fixed heimdal-patched.diff.
  • Removed Avoid_NULL_structure_pointer_member_dereference.patch, fixed upstream.
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Related packages

libheimdal-debuginfo - Debug information for package libheimdal
libheimdal-debugsource - Debug sources for package libheimdal
libheimdal-devel - The Heimdal implementation of the Kerberos 5 protocol
libheimdal-kadm5-perl - Perl module to administer a Heimdal Kerberos KDC
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