MSA-13-0021: Potential information leak in Gradebook

MSA-13-0021: Potential information leak in Gradebook

by Michael de Raadt -
Number of replies: 0
Description: The Gradebook's Overview report was showing grade totals that may have incorrectly included hidden grades.
Issue summary: The method for figuring out showtotalsifcontainhidden on the overview report is flawed
Severity/Risk: Minor
Versions affected: 2.4 to 2.4.3, 2.3 to 2.3.6, earlier unsupported versions
Versions fixed: 2.5, 2.4.4 and 2.3.7
Reported by: Andrew Davis
Issue no.: MDL-37475
CVE identifier: CVE-2013-2080
Workaround: Ensure all courses have the same value for hiding grades in the gradebook. This is set at Administration > Grades > Course grade settings > Hide totals if they contain hidden items
Changes (master): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-37475