Use After Free Affecting gnutls-utils package, versions <0:3.6.16-4.el8


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
3.44% (88th percentile)

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  • Snyk IDSNYK-ALMALINUX8-GNUTLSUTILS-5624994
  • published28 May 2023
  • disclosed9 Nov 2021

Introduced: 9 Nov 2021

CVE-2021-20232  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 gnutls-utils to version 0:3.6.16-4.el8 or higher.
This issue was patched in ALSA-2021:4451.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls-utils package and not the gnutls-utils package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.

References

CVSS Base Scores

version 3.1