CVE Vulnerabilities

CVE-2012-5821

Improper Certificate Validation

Published: Nov 04, 2012 | Modified: Feb 09, 2024
CVSS 3.x
5.9
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
5.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N
RedHat/V2
4.3 MODERATE
AV:N/AC:M/Au:N/C:N/I:P/A:N
RedHat/V3
Ubuntu
MEDIUM

Lynx does not verify that the servers 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.

Weakness

The product does not validate, or incorrectly validates, a certificate.

Affected Software

Name Vendor Start Version End Version
Lynx Lynx - (including) - (including)
Lynx Ubuntu hardy *
Lynx Ubuntu upstream *
Lynx-cur Ubuntu hardy *
Lynx-cur Ubuntu lucid *
Lynx-cur Ubuntu oneiric *
Lynx-cur Ubuntu precise *
Lynx-cur Ubuntu quantal *
Lynx-cur Ubuntu upstream *

Potential Mitigations

References