CVE-2011-2529

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://downloads.asterisk.org/pub/security/AST-2011-008.diff
• http://downloads.asterisk.org/pub/security/AST-2011-008.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
• http://secunia.com/advisories/45048
• 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.diff
• http://downloads.asterisk.org/pub/security/AST-2011-008.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
• http://secunia.com/advisories/45048
• 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