Use After Free Affecting gnutls package, versions <10:3.6.16-4.0.1.el8_fips


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.84% (74th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-ORACLE8-GNUTLS-2597184
  • published10 Apr 2022
  • 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 Oracle:8 gnutls to version 10:3.6.16-4.0.1.el8_fips or higher.
This issue was patched in ELSA-2022-9221.

NVD Description

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