Mozilla

Mozilla Foundation Security Advisory 2010-63

Information leak via XMLHttpRequest statusText

Announced
September 7, 2010
Reporter
Matt Haggard, Nicholas Berthaume
Impact
Low
Products
Firefox, SeaMonkey, Thunderbird
Fixed in
  • Firefox 3.5.12
  • Firefox 3.6.9
  • SeaMonkey 2.0.7
  • Thunderbird 3.0.7
  • Thunderbird 3.1.3

Description

Matt Haggard reported that the statusText property of an XMLHttpRequest object is readable by the requestor even when the request is made across origins. This status information reveals the presence of a web server and could be used to gather information about servers on internal private networks.

This issue was also independently reported to Mozilla by Nicholas Berthaume

References