SB2019112723 - Improper Certificate Validation in GNU GnuPG 



SB2019112723 - Improper Certificate Validation in GNU GnuPG

Published: November 27, 2019 Updated: August 8, 2020

Security Bulletin ID SB2019112723
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Certificate Validation (CVE-ID: CVE-2011-2207)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

dirmngr before 2.1.0 improperly handles certain system calls, which allows remote attackers to cause a denial of service (DOS) via a specially-crafted certificate.


Remediation

Install update from vendor's website.