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Use of a Broken or Risky Cryptographic Algorithm The advisory has been revoked - it doesn't affect any version of package gnutls28  (opens in a new tab)

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EPSS
3.58% (90th percentile)

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  • Snyk IDSNYK-UBUNTU1904-GNUTLS28-652215
  • published25 Sept 2018
  • disclosed22 Aug 2018
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Introduced: 22 Aug 2018

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

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls28 package and not the gnutls28 package as distributed by Ubuntu.

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.

References