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Alma Linux: CVE-2023-39975: Moderate: krb5 security and bug fix update (ALSA-2023-6699)

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Alma Linux: CVE-2023-39975: Moderate: krb5 security and bug fix update (ALSA-2023-6699)

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
08/16/2023
Created
11/17/2023
Added
11/16/2023
Modified
01/28/2025

Description

kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another.

Solution(s)

  • alma-upgrade-krb5-devel
  • alma-upgrade-krb5-libs
  • alma-upgrade-krb5-pkinit
  • alma-upgrade-krb5-server
  • alma-upgrade-krb5-server-ldap
  • alma-upgrade-krb5-workstation
  • alma-upgrade-libkadm5

References

  • https://attackerkb.com/topics/cve-2023-39975
  • CVE - 2023-39975
  • https://errata.almalinux.org/9/ALSA-2023-6699.html
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