Improper Protection Against Physical Side Channels Affecting gnutls package, versions <0:3.6.16-7.el8_8.1


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.16% (53rd percentile)

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  • Snyk IDSNYK-RHEL8-GNUTLS-6205447
  • published26 Jan 2024
  • disclosed15 Nov 2023

Introduced: 15 Nov 2023

CVE-2023-5981  (opens in a new tab)
CWE-1300  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade RHEL:8 gnutls to version 0:3.6.16-7.el8_8.1 or higher.
This issue was patched in RHSA-2024:0399.

NVD Description

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

A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.

CVSS Scores

version 3.1