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Geeklog lib-sessions.php Session Cookie Handling Administrative Bypass

Critical

Synopsis

The remote host is vulnerable to a flaw that allows for the bypassing of authentication.

Description

The remote host is running Geeklog, an open-source weblog powered by PHP and MySQL. The installed version of Geeklog is vulnerable to a flaw in the 'lib-sessions.php' script. Specifically, a remote attacker can use the script to bypass authentication and gain administrative access to the Geeklog application. Successful exploitation gives the attacker the ability to gather confidential data, the ability to compromise file integrity, and the ability to interrupt services to valid users.

Solution

Upgrade to version 1.3.11sr5, 1.3.9sr5, 1.4.0sr2, or higher.