Use of a Broken or Risky Cryptographic Algorithm Affecting gnutls28 package, versions <3.4.10-4ubuntu1.5


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
3.62% (89th percentile)

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  • Snyk IDSNYK-UBUNTU1604-GNUTLS28-340604
  • published25 Sept 2018
  • disclosed22 Aug 2018

Introduced: 22 Aug 2018

CVE-2018-10844  (opens in a new tab)
CWE-327  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 gnutls28 to version 3.4.10-4ubuntu1.5 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:16.04 relevant fixed versions and status.

It was found that the GnuTLS implementation of HMAC-SHA-256 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data using crafted packets.

CVSS Base Scores

version 3.1