CVE-2012-5821

MEDIUM

Lynx - Improper Certificate Validation

Title source: llm
STIX 2.1

Description

Lynx does not verify that the server's certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function.

References (5)

Core 5
Core References
Third Party Advisory x_refsource_confirm
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1642-1
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/79930
Broken Link vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2013:101

Scores

CVSS v3 5.9
EPSS 0.0081
EPSS Percentile 52.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-295
Status published
Products (5)
canonical/ubuntu_linux 10.04
canonical/ubuntu_linux 11.10
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 12.10
lynx/lynx
Published Nov 04, 2012
Tracked Since Feb 18, 2026