CVE-2011-2529 describes a denial-of-service vulnerability in Asterisk Open Source versions 1.6.x and 1.8.x, specifically within the chan_sip.c SIP channel driver. This flaw allows remote attackers to cause memory corruption, or potentially other unspecified impacts, by sending crafted SIP packets containing null characters. With a CVSS score of 5.0 (medium severity), it is easily exploitable over the network without authentication, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.6.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:1.6.0:*:*:*:*:*:*:* | ||
1.6.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:1.6.0:beta1:*:*:*:*:*:* | ||
1.6.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:1.6.0:beta2:*:*:*:*:*:* | ||
1.6.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:1.6.0:beta3:*:*:*:*:*:* | ||
1.6.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:1.6.0:beta4:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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.
Remediation records are not available for this CVE.