chan_skinny.c in the Skinny (aka SCCP) channel driver in Asterisk Open Source 10.x before 10.5.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by sending a Station Key Pad Button message and closing a connection in off-hook mode, a related issue to CVE-2012-2948. Per: http://cwe.mitre.org/data/definitions/476.html
'CWE-476: NULL Pointer Dereference'
Publication date: Wed, 20 Jun 2012 01:55:00 +0000