Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lynx | Lynx | - |
| Canonical | Ubuntu Linux | 10.04 |
Related Weaknesses (CWE)
References
- 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 AdvisoryVDB 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 AdvisoryVDB Entry
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351Third Party Advisory
FAQ
What is CVE-2012-5821?
CVE-2012-5821 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 i...
How severe is CVE-2012-5821?
CVE-2012-5821 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-5821?
Check the references section above for vendor advisories and patch information. Affected products include: Lynx Lynx, Canonical Ubuntu Linux.