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Project: Joomla!
SubProject: CMS
Impact: Medium
Severity: Low
Versions: 3.0.0 through 3.8.7
Exploit type: Session race condition
Reported Date: 2017-July-08
Fixed Date: 2018-May-22
CVE Number: CVE-2018-11324

Description

A long running background process, such as remote checks for core or extension updates, could create a race condition where a session which was expected to be destroyed would be recreated.

Affected Installs

Joomla! CMS versions 3.0.0 through 3.8.7

Solution

Upgrade to version 3.8.8

Additional Resources

More details about the Session deletion race condition

Contact

The JSST at the Joomla! Security Centre.

Reported By: David Jardin, JSST