Algorithmic Complexity Affecting gnutls package, versions <3.8.3-150600.4.6.2


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-SLES156-GNUTLS-9058312
  • published5 Mar 2025
  • disclosed3 Mar 2025

Introduced: 3 Mar 2025

NewCVE-2024-12243  (opens in a new tab)
CWE-407  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 gnutls to version 3.8.3-150600.4.6.2 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 SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

A flaw was found in GnuTLS, which relies on libtasn1 for ASN.1 data processing. Due to an inefficient algorithm in libtasn1, decoding certain DER-encoded certificate data can take excessive time, leading to increased resource consumption. This flaw allows a remote attacker to send a specially crafted certificate, causing GnuTLS to become unresponsive or slow, resulting in a denial-of-service condition.

CVSS Base Scores

version 3.1