Vulnerability Details : CVE-2012-5821
Potential exploit
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.
Products affected by CVE-2012-5821
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
- cpe:2.3:a:lynx:lynx:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-5821
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-5821
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.2
|
3.6
|
NIST | 2024-02-09 |
CWE ids for CVE-2012-5821
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-5821
-
http://www.ubuntu.com/usn/USN-1642-1
USN-1642-1: Lynx vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.mandriva.com/security/advisories?name=MDVSA-2013:101
mandriva.comBroken Link
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/79930
Lynx SSL spoofing CVE-2012-5821 Vulnerability ReportThird Party Advisory;VDB Entry
-
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0351
Support/Advisories/MGASA-2012-0351 - Mageia wikiThird Party Advisory
-
http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf
Exploit
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