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


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.78% (82nd percentile)

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  • Snyk IDSNYK-ROCKY8-GNUTLS-3207598
  • published5 Jan 2023
  • disclosed12 Mar 2021

Introduced: 12 Mar 2021

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

How to fix?

Upgrade Rocky-Linux:8 gnutls to version 0:3.6.16-4.el8 or higher.
This issue was patched in RLSA-2021:4451.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls package and not the gnutls package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux: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 Scores

version 3.1