PT-2011-4012 · Digium · Asterisk

Jaredmauch · Published 2011-07-06 · Updated 2011-09-07 · CVE-2011-2665

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions 1.8.x through 1.8.4.2

Description The issue allows remote attackers to cause a denial of service, resulting in a daemon crash, by sending a SIP packet with a Contact header that lacks a < character. This is due to a NULL pointer dereference in the SIP channel driver.

Recommendations For Asterisk Open Source versions 1.8.x through 1.8.4.2, update to version 1.8.4.3 or later to resolve the issue.

Fix

Related Identifiers

CVE-2011-2665

Affected Products

Asterisk

References · 12

• http://downloads.asterisk.org/pub/security/AST-2011-009-1.8.diff · Patch
• http://downloads.asterisk.org/pub/security/AST-2011-009.html · Vendor Advisory
• http://debian.org/security/2011/dsa-2276 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-2665 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-2665 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-2665 · Security Note
• http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2011-2665 · Vendor Advisory
• http://secunia.com/advisories/45048 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2665 · Note
• http://secunia.com/advisories/45201 · Note
• http://secunia.com/advisories/45239 · Note