Mercury Messenger, possibly 1.7.1.1 and other versions, when running on a multi-user Mac OS X platform, stores chat logs with world-readable permissions within the /Users directory, which allows local users to read the chat logs from other users.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/27767http://www.securityfocus.com/bid/19005http://www.securityfocus.com/archive/1/440243/100/0/threaded