CVE-2011-0495 describes a stack-based buffer overflow in the ast_uri_encode function within Asterisk Open Source and Business Edition, affecting specific versions. This vulnerability allows remote authenticated users to execute arbitrary code through crafted caller ID data when Asterisk is running in pedantic mode, impacting the SIP channel driver, URIENCODE, or AGI dialplan functions. With a CVSS score of 6.0, it is considered a medium severity vulnerability, requiring authentication and moderate attack complexity, potentially leading to partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< c.3.6.2CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:business:*:*:* | ||
>= 1.2.0, <= 1.2.40CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 1.4.0, < 1.4.38.1CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 1.4.39, < 1.4.39.1CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 1.6.1, < 1.6.1.21CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:S/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.