CVE-2012-6711 describes a heap-based buffer overflow in GNU Bash versions prior to 4.3, specifically impacting the echo built-in function when handling wide characters unsupported by the current locale. This vulnerability affects GNU Bash and Red Hat Enterprise Linux. It carries a CVSS v3.0 score of 7.8 (High), indicating that a local attacker can achieve high confidentiality, integrity, and availability impacts by crashing a script or executing arbitrary code with the privileges of the Bash process. 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 |
|---|---|---|---|
>= 4.2, <= 4.3CPE matchmatch criteria | cpe:2.3:a:gnu:bash:*:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.