Improper Certificate Validation Affecting gnutls28 package, versions <3.3.8-3ubuntu3


Severity

Recommended
low

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.41% (74th percentile)

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  • Snyk ID SNYK-UBUNTU1810-GNUTLS28-340633
  • published 27 Jun 2018
  • disclosed 27 Jan 2020

How to fix?

Upgrade Ubuntu:18.10 gnutls28 to version 3.3.8-3ubuntu3 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:18.10 relevant fixed versions and status.

GnuTLS before 3.3.13 does not validate that the signature algorithms match when importing a certificate.

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    High
  • Availability (A)
    None
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Red Hat

4.3 medium