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
- 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.