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Package "libkrb5support0"

Name: libkrb5support0

Description:

MIT Kerberos runtime libraries - Support library
Latest version: 1.20.1-6ubuntu2.6
Release: noble (24.04)
Level: updates
Repository: main
Head package: krb5
Homepage: https://web.mit.edu/kerberos/

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Repository Area Version
base main 1.20.1-6ubuntu2
security main 1.20.1-6ubuntu2.6

Changelog

Version: 1.20.1-6ubuntu2.6 2025-05-28 19:07:37 UTC

  krb5 (1.20.1-6ubuntu2.6) noble-security; urgency=medium

  * SECURITY UPDATE: Use of weak cryptographic hash.
    - debian/patches/CVE-2025-3576.patch: Add allow_des3 and allow_rc4 options.
      Disallow usage of des3 and rc4 unless allowed in the config. Replace
      warn_des3 with warn_deprecated in ./src/lib/krb5/krb/get_in_tkt.c. Add
      allow_des3 and allow_rc4 boolean in ./src/include/k5-int.h. Prevent usage
      of deprecated enctypes in ./src/kdc/kdc_util.c.
    - debian/patches/CVE-2025-3576-post1.patch: Add enctype comparison with
      ENCTYPE_AES256_CTS_HMAC_SHA1_96 in ./src/kdc/kdc_util.c.
    - CVE-2025-3576

 -- Hlib Korzhynskyy <email address hidden> Thu, 15 May 2025 10:09:20 +0200
Source diff to previous version
CVE-2025-3576 A vulnerability in the MIT Kerberos implementation allows GSSAPI-protected messages using RC4-HMAC-MD5 to be spoofed due to weaknesses in the MD5 che

Version: 1.20.1-6ubuntu2.5 2025-03-03 21:07:02 UTC

  krb5 (1.20.1-6ubuntu2.5) noble-security; urgency=medium

  * SECURITY UPDATE: denial of service via two memory leaks
    - debian/patches/CVE-2024-26458.patch: fix two unlikely memory leaks in
      src/lib/gssapi/krb5/k5sealv3.c, src/lib/rpc/pmap_rmt.c.
    - CVE-2024-26458
    - CVE-2024-26461
  * SECURITY UPDATE: denial of service via memory leak
    - debian/patches/CVE-2024-26462.patch: fix leak in KDC NDR encoding in
      src/kdc/ndr.c.
    - CVE-2024-26462
  * SECURITY UPDATE: kadmind DoS via iprop log file
    - debian/patches/CVE-2025-24528.patch: prevent overflow when
      calculating ulog block size in src/lib/kdb/kdb_log.c.
    - CVE-2025-24528

 -- Marc Deslauriers <email address hidden> Tue, 25 Feb 2025 10:30:21 -0500
Source diff to previous version
CVE-2024-26458 Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c.
CVE-2024-26461 Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.
CVE-2024-26462 Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c.
CVE-2025-24528 Prevent overflow when calculating ulog block size

Version: 1.20.1-6ubuntu2.4 2025-02-13 21:06:49 UTC

  krb5 (1.20.1-6ubuntu2.4) noble-security; urgency=medium

  * No-change rebuild to solve a build issue on armhf.

 -- Marc Deslauriers <email address hidden> Thu, 13 Feb 2025 07:23:16 -0500
Source diff to previous version

Version: 1.20.1-6ubuntu2.3 2025-02-05 09:07:00 UTC

  krb5 (1.20.1-6ubuntu2.3) noble-security; urgency=medium

  * SECURITY UPDATE: Use of MD5-based message authentication over plaintext
    communications could lead to forgery attacks.
    - debian/patches/CVE-2024-3596.patch: Secure Response Authenticator
      by adding support for the Message-Authenticator attribute in non-EAP
      authentication methods.
    - CVE-2024-3596
  * Update libk5crypto3 symbols: add k5_hmac_md5 symbol.

 -- Nicolas Campuzano Jimenez <email address hidden> Tue, 28 Jan 2025 00:57:01 -0500
Source diff to previous version
CVE-2024-3596 RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject,

Version: 1.20.1-6ubuntu2.2 2024-11-14 23:07:01 UTC

  krb5 (1.20.1-6ubuntu2.2) noble; urgency=medium

  * SRU: LP: #2083480: No-change rebuild to disable frame pointers on
    ppc64el and s390x.

 -- Matthias Klose <email address hidden> Wed, 02 Oct 2024 14:40:50 +0200


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