CVE-2023-5543

Moodle: duplicating a bigbluebutton activity assigns the same meeting id

CVSS 3.3 LOWEPSS 0.2%CWE-284

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 3.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

09 Nov 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

When duplicating a BigBlueButton activity, the original meeting ID was also duplicated instead of using a new ID for the new activity. This could provide unintended access to the original meeting.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected products

moodle

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References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77795 https://bugzilla.redhat.com/show_bug.cgi?id=2243442 https://moodle.org/mod/forum/discuss.php?d=451584