MSA-12-0050: Potential DOS attack through database activity

MSA-12-0050: Potential DOS attack through database activity

by Michael de Raadt -
Number of replies: 0
Topic: database activity advanced search can be very dangerous (backport of MDL-17327)
Severity/Risk: Minor
Versions affected: 2.2 to 2.2.3+, 2.1 to 2.1.6+, 2.0 to 2.0.9+, 1.9 to 1.9.18+
Reported by: Séverin Terrier
Issue no.: MDL-32126

CVE Identifier:

CVE-2012-3398
Changes (2.2): http://git.moodle.org/gw?p=moodle.git&a=search&h=refs%2Fheads%2FMOODLE_22_STABLE&st=commit&s=MDL-32126

Description:

Inefficient queries on a database activity with a large number of records could have caused long periods of high CPU load, crippling a system.