National Cyber Awareness System

Vulnerability Summary for CVE-2011-2216

Overview

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.

Description

Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: XF

Name: asterisk-parseurifull-dos(67812)

Hyperlink:http://xforce.iss.net/xforce/xfdb/67812

External Source: BID

Name: 48096

Hyperlink:http://www.securityfocus.com/bid/48096

External Source: BUGTRAQ

Name: 20110602 AST-2011-007

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/518236/100/0/threaded

External Source: SECTRACK

Name: 1025598

Hyperlink:http://securitytracker.com/id?1025598

External Source: SECUNIA

Name: 44828

Hyperlink:http://secunia.com/advisories/44828

External Source: OSVDB

Name: 72752

Hyperlink:http://osvdb.org/72752

External Source: FEDORA

Name: FEDORA-2011-8319

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062013.html

External Source: FEDORA

Name: FEDORA-2011-8983

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062658.html

External Source: CONFIRM

Name: http://downloads.digium.com/pub/security/AST-2011-007.html

Type: Advisory

Hyperlink:http://downloads.digium.com/pub/security/AST-2011-007.html