MSA-12-0055: Web service access token issue

MSA-12-0055: Web service access token issue

by Michael de Raadt -
Number of replies: 0
Topic: A web service token allows the user to run functions from any external service, not just those linked to the external service the token is for
Severity/Risk: Serious
Versions affected: 2.3 to 2.3.1+, 2.2 to 2.2.4+, 2.1 to 2.1.7+
Reported by: Nathan Mares
Issue no.: MDL-34368

CVE Identifier:

CVE-2012-4402
Changes (master): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-34368

Description:

Users with permission to access multiple services were able to use a token from one service to access another.