CVE-2011-2216

N/A Unknown
Published: June 06, 2011 Modified: April 29, 2026
View on NVD

Description

reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://downloads.digium.com/pub/security/AST-2011-007.html
Source: cve@mitre.org
Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html
Source: cve@mitre.org
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html
Source: cve@mitre.org
http://osvdb.org/72752
Source: cve@mitre.org
http://secunia.com/advisories/44828
Source: cve@mitre.org
http://securitytracker.com/id?1025598
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/518236/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/bid/48096
Source: cve@mitre.org
https://exchange.xforce.ibmcloud.com/vulnerabilities/67812
Source: cve@mitre.org
http://downloads.digium.com/pub/security/AST-2011-007.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://osvdb.org/72752
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/44828
Source: af854a3a-2127-422b-91ae-364da2661108
http://securitytracker.com/id?1025598
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/518236/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/48096
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/67812
Source: af854a3a-2127-422b-91ae-364da2661108

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
4.6%
91th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

digium