MSA-15-0008: Forced logout through Shibboleth authentication plugin

MSA-15-0008: Forced logout through Shibboleth authentication plugin

by Marina Glancy -
Number of replies: 0
Description: It was possible to forge a request to logout users even when not authenticated through Shibboleth
Issue summary: Forced logout via auth/shibboleth/logout.php
Severity/Risk: Serious
Versions affected: 2.8 to 2.8.1, 2.7 to 2.7.3, 2.6 to 2.6.6 and earlier unsupported versions
Versions fixed: 2.8.2, 2.7.4 and 2.6.7
Reported by: Petr Skoda
Issue no.: MDL-47964
Workaround: Deny access to file auth/shibboleth/logout.php in webserver configuration
CVE identifier: CVE-2015-0218
Changes (master): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47964