Covert Timing Channel Affecting libgnutlsxx28 package, versions <3.6.2-6.3.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (23rd 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 IDSNYK-SLES150-LIBGNUTLSXX28-2762806
  • published14 Apr 2022
  • disclosed28 Sept 2018

Introduced: 28 Sep 2018

CVE-2018-10846  (opens in a new tab)
CWE-385  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 libgnutlsxx28 to version 3.6.2-6.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgnutlsxx28 package and not the libgnutlsxx28 package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.

CVSS Scores

version 3.1