Information Exposure Affecting gnutls28 package, versions <3.6.5-2


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-DEBIAN10-GNUTLS28-340580
  • published3 Dec 2018
  • disclosed3 Dec 2018

Introduced: 3 Dec 2018

CVE-2018-16868  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade Debian:10 gnutls28 to version 3.6.5-2 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 Debian. See How to fix? for Debian:10 relevant fixed versions and status.

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

CVSS Scores

version 3.1