Simon Willison’s Weblog

The backdooring of SquirrelMail. A SquirrelMail developer’s account was compromised and used to insert a backdoor: the other developers initially missed the hole because it used $_SERVER[’HTTP_BASE_PATH’], which can be set with a Base-Path: HTTP header.

# 28th December 2007, 11:40 pm / http, php, squirrelmail, backdoor, security