MSA-21-0025: Messaging web service allows deletion of other users' messages

MSA-21-0025: Messaging web service allows deletion of other users' messages

by Michael Hawkins -
Number of replies: 0

Insufficient capability checks meant message deletions were not limited to the current user.


Severity/Risk: Serious
Versions affected: 3.11, 3.10 to 3.10.4, 3.9 to 3.9.7 and earlier unsupported versions
Versions fixed: 3.11.1, 3.10.5 and 3.9.8
Reported by: 0xkasper
CVE identifier: CVE-2021-36397
Changes (master): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-71917
Tracker issue: MDL-71917 Messaging web service allows deletion of other users' messages