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Insecure Library Loading
Moderately critical

Microsoft Visual Studio Active Template Library Three Vulnerabilities

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Release Date:  2009-07-28    Last Update:  2010-01-12    Views:  19,905

Secunia Advisory SA35967

Where:

From remote

Impact:

Security Bypass, Exposure of sensitive information, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in Microsoft Visual Studio, which can be exploited by malicious people to potentially bypass security features, gain knowledge of sensitive information, or compromise applications built using ATL (Active Template Library).

1) An error in the ATL headers when handling persisted streams can be exploited to cause VariantClear() to be called on a VARIANT that has not been correctly initialised. This can e.g. be exploited to corrupt memory via a web page passing a specially crafted stream to a vulnerable control.

Successful exploitation may allow execution of arbitrary code.

2) An error in the ATL headers when handling object instantiation from data streams may allow bypassing of security policies such as kill-bits in Internet Explorer if a control or component uses OleLoadFromStream() in an unsafe manner.

3) An error in ATL may result in a string being read without terminating NULL bytes, which can be exploited to disclose memory contents beyond the end of the string.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) The vendor credits David Dewey, IBM ISS X-Force.
2-3) The vendor credit Ryan Smith, iDefense Labs.

Original Advisory:
MS09-035 (KB969706, KB971089, KB971090, KB971091, KB971092, KB973544, KB973551, KB973552, KB973830, KB973673, KB973674, KB973675):
http://www.microsoft.com/technet/security/Bulletin/MS09-035.mspx

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: Microsoft Visual Studio Active Template Library Three Vulnerabilities

User Message
jesbion RE: Microsoft Visual Studio Active Template Library Three Vulnerabilities
Member 2nd Aug, 2010 18:44
Score: -5
Posts: 22
User Since: 14th May 2010
System Score: N/A
Location: US
Last edited on 2nd Aug, 2010 18:44
So, which of these downloads is applicable? There is no references as to which is what, and why? There are three on the solution page listed. I hope this is not the download solution I have heard about that makes all your icons blanked out.....??? If that is the case, think I'll just sit on it!
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