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Netsikker nu! 2008
 
Internet Explorer 7 Frame Location Handling Vulnerability
Secunia Advisory: SA30851
Release Date: 2008-06-26
Last Update: 2008-07-09
Popularity: 13,954 views

Critical:
Moderately critical
Impact: Security Bypass
Spoofing
Where: From remote
Solution Status: Unpatched

Software:Microsoft Internet Explorer 7.x

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CVE reference:CVE-2008-2948
CVE-2008-2949


Description:
sirdarckcat has discovered a vulnerability in Internet Explorer, which can be exploited by malicious people to conduct spoofing attacks.

The problem is that it is possible for a website to modify the location of another frame in another window by setting the location to an object instead of a string. This can be exploited to load malicious content into a frame of a trusted website.

This may be a variant of:
SA11966

The vulnerability is confirmed in IE7. Other versions may also be affected.

Solution:
Do not visit or follow links from untrusted websites.

Provided and/or discovered by:
sirdarckcat

Changelog:
2008-06-30: Added link to US-CERT.
2008-07-09: Added CVE reference.

Original Advisory:
http://sirdarckcat.blogspot.com/2008/05/ghosts-for-ie8-and-ie75730.html
http://sirdarckcat.blogspot.com/2008/05/browsers-ghost-busters.html

Other References:
GNUCITIZEN:
http://www.gnucitizen.org/blog/ghost-busters/

SA11966:
http://secunia.com/advisories/11966/

US-CERT VU#516627:
http://www.kb.cert.org/vuls/id/516627


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