CVE-2012-5821 describes a vulnerability in the Lynx web browser where it fails to properly validate SSL server certificates, specifically regarding trusted certification authorities. This flaw, related to improper GnuTLS function usage, allows man-in-the-middle attackers to spoof SSL servers using crafted certificates, affecting canonical lynx and ubuntu_linux distributions. With a CVSS score of 5.9 (Medium), the vulnerability has a network attack vector and high impact on integrity, but requires high attack complexity and no user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:lynx:lynx:-:*:*:*:*:*:*:* | ||
10.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* | ||
11.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* | ||
12.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.