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


Severity

Recommended
medium

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.67% (80th percentile)

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  • Snyk ID SNYK-CENTOS8-GNUTLS-2149455
  • published 26 Jul 2021
  • disclosed 12 Mar 2021

How to fix?

Upgrade Centos:8 gnutls to version 0:3.6.16-4.el8 or higher.

NVD Description

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

9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

Red Hat

3.7 low
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SUSE

7.4 high