MSA-23-0019: Proxy bypass risk due to insufficient validation

24 de agosto de 2023

Hemos recibido recientemente del Centro Criptológico Nacional, esta última información:

by Michael Hawkins. Incorrect domain matching logic made it possible to bypass the proxy, which could result in access to hosts intended to be blocked by the proxy.Severity/Risk:SeriousVersions affected:4.2 to 4.2.1, 4.1 to 4.1.4, 4.0 to 4.0.9, 3.11 to 3.11.15, 3.9 to 3.9.22 and earlier unsupported versionsVersions fixed:4.2.2, 4.1.5, 4.0.10, 3.11.16 and 3.9.23Reported by:Brendan HeywoodWorkaround:Add hosts blocked within the proxy to the Moodle cURL blocked hosts configuration if possible,

More info:

https://moodle.org/mod/forum/discuss.php?d=449640&parent=1807042

Hallarás más detalles en el enlace que sigue:

http://www.ccn-cert.cni.es/component/vulnerabilidades/view/34602.html