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Insecure Library Loading
Moderately critical

Internet Explorer MHTML Protocol Handler Cross-Domain Information Disclosure

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Release Date:  2008-08-12    Last Update:  2008-08-14    Views:  12,211

Secunia Advisory SA31415

Where:

From remote

Impact:

Exposure of sensitive information

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in Internet Explorer, which can be exploited by malicious people to gain knowledge of sensitive information.

The vulnerability is caused due to an error in the MHTML protocol handler when interpreting MHTML URI redirections. This can be exploited to bypass Internet Explorer domain restrictions when returning MHTML content via a specially crafted web page.

Successful exploitation allows reading content from another Internet Explorer domain or the local system

NOTE: The vulnerability is reported in Outlook Express and Windows Mail by Microsoft as the functionality is provided by these programs. However, the vulnerability is exploitable via Internet Explorer.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Jorge Luis Alvarez Medina, Core Security Technologies.

Original Advisory:
MS08-048 (KB951066):
http://www.microsoft.com/technet/security/Bulletin/MS08-048.mspx

Core Security Technologies:
http://www.coresecurity.com/content/internet-explorer-zone-elevation

Deep Links:
Links available to Secunia VIM customers

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 MHTML Protocol Handler Cross-Domain Information Disclosure

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