PT-2011-3686 · Digium · Asterisk Open Source

Published 2011-06-06 · Updated 2018-10-09 · CVE-2011-2216

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 1.8.4.1

Description The issue is related to the SIP channel driver in Asterisk Open Source, where the reqresp parser.c file does not initialize certain strings. This allows remote attackers to cause a denial of service by crashing the daemon with a NULL pointer dereference. The attack can be performed via a malformed Contact header.

Recommendations For Asterisk Open Source versions 1.8.x through 1.8.4.1, update to version 1.8.4.2 or later to resolve the issue.

Fix

Related Identifiers

CVE-2011-2216

Affected Products

Asterisk Open Source

References · 14

• https://osv.dev/vulnerability/DEBIAN-CVE-2011-2216 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-2216 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-2216 · Security Note
• http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2011-2216 · Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html · Vendor Advisory
• http://downloads.digium.com/pub/security/AST-2011-007.html · Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/67812 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2216 · Note
• http://securityfocus.com/archive/1/518236/100/0/threaded · Note
• http://osvdb.org/72752 · Note
• http://securityfocus.com/bid/48096 · Note
• http://securitytracker.com/id?1025598 · Note
• http://secunia.com/advisories/44828 · Note