Improper Certificate Validation in GnuPG - CVE-2011-2207
Published: November 27, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU35025
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2011-2207
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
GnuPG
How to mitigate CVE-2011-2207
Install update from vendor's website.
GnuPG - update to 2.1.0