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TITLE:
Internet Explorer 6 Window "location" Handling Vulnerability

SECUNIA ADVISORY ID:
SA30857

VERIFY ADVISORY:
http://secunia.com/advisories/30857/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Microsoft Internet Explorer 6.x
http://secunia.com/product/11/

DESCRIPTION:
Ph4nt0m Security Team has discovered a vulnerability in Internet
Explorer 6, which can be exploited by malicious people to conduct
cross-domain scripting attacks.

The vulnerability is caused due to an input validation error when
handling the "location" or "location.href" property of a window
object. This can be exploited by a malicious website to e.g. open a
trusted site and execute arbitrary script code in a user's browser
session in context of the trusted site.

The vulnerability is confirmed in IE6 on Windows XP SP2. Other
versions may also be affected.

SOLUTION:
Upgrade to Internet Explorer 7, which is unaffected.

PROVIDED AND/OR DISCOVERED BY:
Ph4nt0m Security Team

ORIGINAL ADVISORY:
Ph4nt0m Security Team (Chinese):
http://www.ph4nt0m.org-a.googlepages.com/PSTZine_0x02_0x04.txt

OTHER REFERENCES:
SA30851:
http://secunia.com/advisories/30851/

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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