Use of a Broken or Risky Cryptographic Algorithm Affecting gnutls-dane package, versions <0:3.3.29-8.el7


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-RHEL7-GNUTLSDANE-4850165
  • published26 Jul 2021
  • disclosed21 Aug 2018

Introduced: 21 Aug 2018

CVE-2018-10846  (opens in a new tab)
CWE-327  (opens in a new tab)

How to fix?

Upgrade RHEL:7 gnutls-dane to version 0:3.3.29-8.el7 or higher.
This issue was patched in RHSA-2018:3050.

NVD Description

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

version 3.1