Description

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.11.1 and 10.x before 10.3.1 and Asterisk Business Edition C.3.x before C.3.7.4, when the trustrpid option is enabled, allows remote authenticated users to cause a denial of service (daemon crash) by sending a SIP UPDATE message that triggers a connected-line update attempt without an associated channel.

Weaknesses 1

Affected Products 153

References 8

• downloads.asterisk.org http://downloads.asterisk.org/pub/security/AST-2012-006.html
  PatchVendor Advisory
• lists.fedoraproject.org http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079759.html
• osvdb.org http://osvdb.org/81456
• secunia.com http://secunia.com/advisories/48891
• securityfocus.com http://www.securityfocus.com/bid/53205
• securitytracker.com http://www.securitytracker.com/id?1026963
• exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/75101
• issues.asterisk.org https://issues.asterisk.org/jira/browse/ASTERISK-19770

Remediation

• downloads.asterisk.org http://downloads.asterisk.org/pub/security/AST-2012-006.html
  PatchVendor Advisory