Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Digium | Asterisk | 1.6.0 |
Related Weaknesses (CWE)
References
- http://downloads.asterisk.org/pub/security/AST-2011-008.diffPatch
- http://downloads.asterisk.org/pub/security/AST-2011-008.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
- http://secunia.com/advisories/45048Vendor Advisory
- http://secunia.com/advisories/45201
- http://secunia.com/advisories/45239
- http://securitytracker.com/id?1025706
- http://www.debian.org/security/2011/dsa-2276
- http://www.osvdb.org/73307
- http://www.securityfocus.com/bid/48431
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68203
- http://downloads.asterisk.org/pub/security/AST-2011-008.diffPatch
- http://downloads.asterisk.org/pub/security/AST-2011-008.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
- http://secunia.com/advisories/45048Vendor Advisory
FAQ
What is CVE-2011-2529?
CVE-2011-2529 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 ...
How severe is CVE-2011-2529?
CVE-2011-2529 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2529?
Check the references section above for vendor advisories and patch information. Affected products include: Digium Asterisk.