MSA-20-0013: Log in as capability in a course context may lead to some privilege escalation

von Michael Hawkins.  

Users with "Log in as" capability in a course context (typically, course managers) may gain access to some site administration capabilities by "logging in as" a System manager.


Severity/Risk:Minor
Versions affected:3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions
Versions fixed:3.9.2, 3.8.5, 3.7.8 and 3.5.14
Reported by:Florence Thiard
Workaround:Remove the "Login as other users" capability from the manager role until the patch is applied.
CVE identifier:CVE-2020-25629
Changes (master):http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-68974
Tracker issue:MDL-68974 "Log in as" capability in a course context may lead to some privilege escalation

Read more https://moodle.org/mod/forum/discuss.php?d=410841&parent=1657003