Use of a Broken or Risky Cryptographic Algorithm Affecting gnutls-c++ package, versions <0:3.3.29-8.amzn2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-AMZN2-GNUTLSC-1666702
  • published27 Sept 2021
  • 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 Amazon-Linux:2 gnutls-c++ to version 0:3.3.29-8.amzn2 or higher.
This issue was patched in ALAS2-2018-1120.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls-c++ package and not the gnutls-c++ package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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