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Insecure Library Loading

Secunia Advisory SA25564

Internet Explorer Page Loading Race Condition and URL Spoofing
Secunia Advisory SA25564
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Release Date 2007-06-06
Last Update 2009-06-10
   
Popularity 21,736 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact Security Bypass
Spoofing
Where From remote
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
Remediation status Secunia CSI, Secunia PSI
Automated scanning Secunia CSI, Secunia PSI
   
Software:
Microsoft Internet Explorer 6.x
Microsoft Internet Explorer 7.x

Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2007-3091 CVSS available in Customer Area
  

Description

Michal Zalewski has reported two vulnerabilities in Internet Explorer, which potentially can be exploited by a malicious website to display a fake URL in the address bar or to bypass certain security restrictions.

1) A race condition when navigating to a new site from a page can be exploited to perform certain actions and access the contents of the newly loaded page with the permissions of the old page.

2) An error within the handling of "location" DOM objects can be exploited to spoof the URL address bar.

Note: This issue reportedly does not affect Internet Explorer 7.


Solution
Apply patches.
Further details available in Customer Area

Provided and/or discovered by
Michal Zalewski

Changelog
Further details available in Customer Area

Original Advisory
Microsoft (KB969897):
http://www.microsoft.com/technet/security/Bulletin/MS09-019.mspx

Michal Zalewski
http://archives.neohapsis.com/archives/fulldisclosure/2007-06/0026.html
http://lcamtuf.coredump.cx/ierace/

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Internet Explorer Page Loading Race Condition and URL Spoofing
 
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