The history (revision control) function in TWiki 02-Sep-2004 and earlier allows remote attackers to execute arbitrary code via shell metacharacters, as demonstrated via the rev parameter to TWikiUsers.Referenceshttp://twiki.org/cgi-bin/view/Codev/SecurityAlertExecuteCommandsWithRevhttp://marc.info/?l=bugtraq&m=112680475417550&w=2http://www.kb.cert.org/vuls/id/757181http://www.securityfocus.com/bid/14834
