Double Free Affecting libkadm5 package, versions <0:1.21.1-1.el9


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.22% (61st percentile)

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  • Snyk IDSNYK-RHEL9-LIBKADM5-5850852
  • published23 Aug 2023
  • disclosed16 Aug 2023

Introduced: 16 Aug 2023

CVE-2023-39975  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade RHEL:9 libkadm5 to version 0:1.21.1-1.el9 or higher.
This issue was patched in RHSA-2023:6699.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libkadm5 package and not the libkadm5 package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

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.

CVSS Scores

version 3.1