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Insecure Library Loading
Highly critical

Internet Explorer Multiple Vulnerabilities

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Release Date:  2009-11-23    Last Update:  2009-12-10    Views:  17,891

Secunia Advisory SA37448

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Multiple vulnerabilities have been reported in Internet Explorer, which can be exploited by malicious people to compromise a user's system.

1) The tdc.ocx ActiveX control uses the "OleLoadFromStream()" ATL function in an unsafe manner.

This is related to vulnerability #2 in:
SA35967

2) A use-after-free error in the manipulation and parsing of certain HTML elements can be exploited to corrupt memory via a specially crafted web page.

3) An error in the layout parsing can be exploited to corrupt memory by tricking a user into viewing a specially crafted web page.

4) A use-after-free when repetitively clicking between two elements at a fast rate can be exploited to corrupt memory via a specially crafted web page.

5) A use-after-free error during deallocation of a circular dereference for a CAttrArray object can be exploited to corrupt memory via a specially crafted web page.

Successful exploitation of the vulnerabilities may allow execution of arbitrary code.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) The vendor credits Ryan Smith, iDefense Labs
2) Sam Thomas via Zero Day Initiative.
3) securitylab.ir and team509 via iDefense.
4) An anonymous person via Zero Day Initiative.
5) An anonymous person via Zero Day Initiative.

Original Advisory:
MS09-072 (KB976325):
http://www.microsoft.com/technet/security/Bulletin/MS09-072.mspx

Microsoft:
http://www.microsoft.com/technet/security/advisory/977981.mspx

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-09-086/
http://www.zerodayinitiative.com/advisories/ZDI-09-087/
http://www.zerodayinitiative.com/advisories/ZDI-09-088/

iDefense:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=833

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 Multiple Vulnerabilities

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