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Insecure Library Loading
Moderately critical

Microsoft Internet Information Services ASP Code Buffer Overflow

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Release Date:  2006-07-11    Last Update:  2006-12-22    Views:  23,728

Secunia Advisory SA21006

Where:

From remote

Impact:

System access, Security Bypass

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Brett Moore has reported a vulnerability in Microsoft Internet Information Services, which can be exploited by malicious users to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in asp.dll when handling ASP code. This can be exploited to cause a stack-based buffer overflow by placing ASP code that attempts to include a file with an overly long name (longer than 260 bytes).

Successful exploitation allows bypassing any security restrictions enforced by ASP or execution of API's with no ASP equivalent, but requires permissions to upload ASP code to a web folder.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Brett Moore, Security-Assessment.

Original Advisory:
MS06-034 (KB917537):
http://www.microsoft.com/technet/security/Bulletin/MS06-034.mspx

Security-Assessment:
http://www.security-assessment.com/Advisories/ASP.DLL_Include_File_Buffer_Overflow.pdf

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 Internet Information Services ASP Code Buffer Overflow

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