The installer for Gallery 2.0 before 2.0.2 stores the install log under the web document root with insufficient access control, which allows remote attackers to obtain sensitive information.
http://www.vupen.com/english/advisories/2005/2681
http://www.securityfocus.com/bid/15614
http://www.securityfocus.com/archive/1/418200/100/0/threaded