Security announcements

MSA-15-0012: ReDoS Possible with Convert links to URLs filter

 
Picture of Marina Glancy
MSA-15-0012: ReDoS Possible with Convert links to URLs filter
 
Description: Not optimal regular expression in the filter could be exploited to create extra server load or make particular page unavailable
Issue summary: ReDoS Possible with Convert links to URLs filter
Severity/Risk: Serious
Versions affected: 2.8 to 2.8.3, 2.7 to 2.7.5, 2.6 to 2.6.8 and earlier unsupported versions
Versions fixed: 2.8.4, 2.7.6 and 2.6.9
Reported by: Rob
Issue no.: MDL-38466
Workaround: Disable links to URLs filter
CVE identifier: CVE-2015-2268
Changes (master): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38466