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Category:   Application (Web Browser)  >   Microsoft Internet Explorer Vendors:   Microsoft
Microsoft Internet Explorer Various Cross-Domain Flaws Permit Remote Scripting in Arbitrary Domains
SecurityTracker Alert ID:  1007687
SecurityTracker URL:
CVE Reference:   CVE-2003-0814, CVE-2003-0815, CVE-2003-0816   (Links to External Site)
Updated:  Jun 14 2008
Original Entry Date:  Sep 12 2003
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of system information, Modification of user information
Exploit Included:  Yes  
Version(s): 6
Description:   Several cross-domain scripting vulnerabilities were reported in Microsoft Internet Explorer (IE). A remote user can cause arbitrary scripting to be executed in an arbitrary security domain.

Liu Die Yu reported multiple vulnerabilities in IE. A remote user can create HTML that, when loaded by the target user, will cause scripting code to be executed in a different domain (such as the Local Computer domain). The scripting code can access information related to the domain, potentially including cookies, files, and system commands.

Demonstration exploit examples are available at:

Impact:   A remote user can create HTML that will cause arbitrary scripting code to be executed in an arbitrary security domain on the target user's system when the target user loads the HTML.
Solution:   No solution was available at the time of this entry.
Vendor URL: (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Feb 25 2004 (Vendor Issues Fix) Microsoft Internet Explorer Various Cross-Domain Flaws Permit Remote Scripting in Arbitrary Domains
The vendor issued a fix.

 Source Message Contents

Subject:  [Full-Disclosure] Liu Die Yu findings verified, details

Some of you may find that Lius webpage at is
inaccessible - this is caused by DNS problems. My USA based machines
resolve to which doesn't know about any
liudieyu, while my EU based machines resolve to where you can find his site. Interested people should change
their hosts file.

Since Liu is testing on IE6 Gold (6.0.2600.0000.xpclnt_qfe.021108-2107),
some of the vulnerabilities he has found are long patched, while others
still exist in IE6 SP1.

Some are patched at an unknown time without notice in any security
bulletin, others are explicitly patched by the latest cumulative IE
patch, MS03-032, which can be found at

WsOpenFileJPU, cross-domain scripting
HiJackClick: 1+1=2, pointing mouseclicks on non-IE windows, adding to
NAFjpuInHistory, cross-domain scripting
WsFakeSrc, cross-domain scripting
NAFfileJPU, cross-domain scripting
BackMyParent2:Multi-Thread version, cross-domain scripting
RefBack, cross-domain scripting

Doesn't work:
Findeath, patched by MS03-032
LinkillerJPU, patched by MS03-032
WsBASEjpu, specifically patched by MS03-032

The impact of the working cross-domain scripting vulnerabilities is
known for ages, cookie theft, identify theft, stealing  sensitive
information such as banking data and, once you get a window object
pointed at a local zone, local file reading and command execution.

Hijacking mouse events for IE and routing them to non-IE/system windows
is sure to reveal several new vulnerabilities or variations in the time
to come.

With these 7 new, the total number of publicly known unpatched
vulnerabilities in IE is now at 30:

Thor Larholm
PivX Solutions, LLC - Senior Security Researcher

Full-Disclosure - We believe in it.


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