MSA-13-0027: Access issue in Chat module

by Michael de Raadt.  

Description:Users were able to access a daemon-mode Chat activity without the required capability.
Issue summary:Missing privilege check in mod/chat/gui_sockets/index.php
Severity/Risk:Minor
Versions affected:2.5, 2.4 to 2.4.4, 2.3 to 2.3.7, 2.2 to 2.2.10, earlier unsupported versions
Versions fixed:2.5.1, 2.4.5, 2.3.8 and 2.2.11
Reported by:Francois Gauthier
Issue no.:MDL-39628
CVE identifier:CVE-2013-2242
Workaround:Use the Chat module without the daemon.
Changes (master):http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-39628

Read more https://moodle.org/mod/forum/discuss.php?d=232498&parent=1009826