Vulnerability in Lynx
CVE-2012-5821
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.
Vulnerability class: Improper Certificate Validation
EPSS: 0.008 (53.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Lynx
- Canonical Ubuntu_linux — versions 10.04, 11.10, 12.04
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_XF)
- cve@mitre.org (vendor-advisory, x_refsource_MANDRIVA, Broken Link)
- cve@mitre.org (Exploit, x_refsource_MISC)
Frequently asked questions
- What is CVE-2012-5821?
- CVE-2012-5821 is a medium-severity vulnerability in Lynx, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2012-11-04.
- How severe is CVE-2012-5821?
- Medium severity. CVSS v3 base score is 5.9 out of 10.