CVE-2024-54676: Apache OpenMeetings: Deserialisation of untrusted data in cluster mode

[Maxim Solodovnik <solomax () apache org>]

Severity: important

Affected versions:

- Apache OpenMeetings 2.1 before 8.0.0

Description:

Vendor: The Apache Software Foundation

Versions Affected: Apache OpenMeetings from 2.1.0 before 8.0.0

Description: Default clustering instructions at  https://openmeetings.apache.org/Clustering.html  doesn't specify 
white/black lists for OpenJPA this leads to possible deserialisation of untrusted data.
Users are recommended to upgrade to version 8.0.0 and update their startup scripts to include the relevant 
'openjpa.serialization.class.blacklist' and 'openjpa.serialization.class.whitelist' configurations as shown in the 
documentation.

This issue is being tracked as OPENMEETINGS-2787 

Credit:

m0d9 from Tencent Yunding Lab (reporter)

References:

https://openmeetings.apache.org/
https://www.cve.org/CVERecord?id=CVE-2024-54676
https://issues.apache.org/jira/browse/OPENMEETINGS-2787