PT-2012-6133 · Lynx · Lynx

Published 2012-11-04 · Updated 2024-02-09 · CVE-2012-5821

Positive Technologies (AI Summary)

CVSS v2.0

5.8

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Lynx (affected versions not specified)

Description The issue is related to Lynx not verifying that the server's certificate is signed by a trusted certification authority. This allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate. The problem is tied to the improper use of a certain GnuTLS function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2012-5821

Affected Products

Lynx

References · 6

• 🔥 http://cs.utexas.edu/~shmat/shmat_ccs12.pdf · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2012-5821 · Security Note
• http://ubuntu.com/usn/USN-1642-1 · Vendor Advisory
• http://mandriva.com/security/advisories?name=MDVSA-2013:101 · Vendor Advisory
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/79930 · Note