CVE-2011-2529

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

Description

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://downloads.asterisk.org/pub/security/AST-2011-008.diff
Source: cve@mitre.org
Patch
http://downloads.asterisk.org/pub/security/AST-2011-008.html
Source: cve@mitre.org
Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
Source: cve@mitre.org
http://secunia.com/advisories/45048
Source: cve@mitre.org
Vendor Advisory
http://secunia.com/advisories/45201
Source: cve@mitre.org
http://secunia.com/advisories/45239
Source: cve@mitre.org
http://securitytracker.com/id?1025706
Source: cve@mitre.org
http://www.debian.org/security/2011/dsa-2276
Source: cve@mitre.org
http://www.osvdb.org/73307
Source: cve@mitre.org
http://www.securityfocus.com/bid/48431
Source: cve@mitre.org
https://exchange.xforce.ibmcloud.com/vulnerabilities/68203
Source: cve@mitre.org
http://downloads.asterisk.org/pub/security/AST-2011-008.diff
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://downloads.asterisk.org/pub/security/AST-2011-008.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/45048
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/45201
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/45239
Source: af854a3a-2127-422b-91ae-364da2661108
http://securitytracker.com/id?1025706
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2011/dsa-2276
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.osvdb.org/73307
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/48431
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/68203
Source: af854a3a-2127-422b-91ae-364da2661108

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
4.3%
90th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-119

Affected Vendors

digium

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