[SA12765] Microsoft Internet Explorer Disclosure of Sensitive XML Information

TITLE:
Microsoft Internet Explorer Disclosure of Sensitive XML Information

SECUNIA ADVISORY ID:
SA12765

VERIFY ADVISORY:
http://secunia.com/advisories/12765/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Microsoft Internet Explorer 6
http://secunia.com/product/11/
Microsoft Internet Explorer 5.5
http://secunia.com/product/10/
Microsoft Internet Explorer 5.01
http://secunia.com/product/9/

DESCRIPTION:
Georgi Guninski has reported that a two year old vulnerability has
been reintroduced in Microsoft Internet Explorer and can be exploited
by malicious people to disclose potentially sensitive information.

The vulnerability is caused due to insufficient cross-site
restrictions when handling XML documents in some situations. This can
be exploited on e.g. a malicious web site to view well-formed XML
documents on arbitrary servers in the context of a user's session.

SOLUTION:
Disable Active Scripting support.

Use another browser.

PROVIDED AND/OR DISCOVERED BY:
Originally discovered by:
GreyMagic Software

Rediscovered by:
Georgi Guninski

ORIGINAL ADVISORY:
GreyMagic Software:
http://www.greymagic.com/security/advisories/gm009-ie/

Georgi Guninski:
http://www.guninski.com/where_do_you_want_billg_to_go_today_1.html

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