Improper Certificate Validation in GnuPG - CVE-2011-2207

 

Improper Certificate Validation in GnuPG - CVE-2011-2207

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


Vulnerability identifier: #VU35025
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-2207
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
GnuPG

Detailed vulnerability description

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.


How to mitigate CVE-2011-2207

Install update from vendor's website.

Sources