CVE-2016-6806 Apache Wicket CSRF detection vulnerability

08 Nov 2016

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected: Apache Wicket 6.20.0, 6.21.0, 6.22.0, 6.23.0, 6.24.0, 7.0.0, 7.1.0, 7.2.0, 7.3.0, 7.4.0 and 8.0.0-M1

Description: Affected versions of Apache Wicket provide a CSRF prevention measure that fails to discover some cross origin requests. The mitigation is to not only check the Origin HTTP header, but also take the Referer HTTP header into account when no Origin was provided. Furthermore, not all Wicket server side targets were subjected to the CSRF check. This was also fixed.

Mitigation: 6.x users should upgrade to 6.25.0, 7.x users should upgrade to 7.5.0 and 8.0.0-M1 users should upgrade to 8.0.0-M2.

Credit: This issue was discovered by Gerben Janssen van Doorn


Users of Wicket verions prior to 6.20 are not affected because the particular component was introduced in 6.20.0.