Covert Timing Channel Affecting gnutls-utils package, versions <0:3.3.29-8.0.1.el7


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.39% (31st 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-ORACLE7-GNUTLSUTILS-2524119
  • published10 Apr 2022
  • disclosed22 Aug 2018

Introduced: 22 Aug 2018

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

How to fix?

Upgrade Oracle:7 gnutls-utils to version 0:3.3.29-8.0.1.el7 or higher.
This issue was patched in ELSA-2018-3050.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls-utils package and not the gnutls-utils package as distributed by Oracle. See How to fix? for Oracle:7 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 Base Scores

version 3.1