The Shibboleth authentication plugin in auth/shibboleth/index.php in
Moodle through 2.3.11, 2.4.x before 2.4.11, and 2.5.x before 2.5.7
does not check whether a session ID is empty, which allows remote
authenticated users to hijack sessions via crafted plugin interaction.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20140721 Moodle security notifications public
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