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.

• CWE-295

• http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdfExploit
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:101Broken Link
• http://www.ubuntu.com/usn/USN-1642-1Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/79930Third Party Advisory, VDB Entry
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351Third Party Advisory
• http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdfExploit
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:101Broken Link
• http://www.ubuntu.com/usn/USN-1642-1Third Party Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/79930Third Party Advisory, VDB Entry
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351Third Party Advisory

Published

Nov 4, 2012

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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