Use of a Broken or Risky Cryptographic Algorithm Affecting gnutls28 package, versions <3.5.18-1ubuntu1.1


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-UBUNTU1804-GNUTLS28-340598
  • published25 Sept 2018
  • disclosed22 Aug 2018

Introduced: 22 Aug 2018

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

How to fix?

Upgrade Ubuntu:18.04 gnutls28 to version 3.5.18-1ubuntu1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls28 package and not the gnutls28 package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 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