Improper Protection Against Physical Side Channels Affecting gnutls-c++ package, versions <0:3.8.0-377.amzn2023.0.3


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.16% (54th percentile)

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  • Snyk IDSNYK-AMZN2023-GNUTLSC-6146982
  • published9 Jan 2024
  • disclosed28 Nov 2023

Introduced: 28 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 Amazon-Linux:2023 gnutls-c++ to version 0:3.8.0-377.amzn2023.0.3 or higher.
This issue was patched in ALAS2023-2024-463.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls-c++ package and not the gnutls-c++ package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 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 Base Scores

version 3.1