CVE-2011-4063 Information

Description

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing which allows remote authenticated users to cause a denial of service (daemon crash) via a malformed request.

Reference

http://downloads.digium.com/pub/security/AST-2011-012.html http://secunia.com/advisories/46420 http://securityreason.com/securityalert/8478 http://www.securityfocus.com/archive/1/520141/100/0/threaded http://www.securityfocus.com/bid/50177 http://www.securitytracker.com/id?1026191 https://exchange.xforce.ibmcloud.com/vulnerabilities/70706