Rule

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Sid
18276

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Summary:
This event is generated when an attempt is made to exploit a known vulnerability in data access components.

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Impact:
Denial of Service. Information disclosure. Loss of integrity. 

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Detailed Information:
Integer signedness error in the SQLConnectW function in an ODBC API (odbc32.dll) in Microsoft Data Access Components (MDAC) 2.8 SP1 and SP2, and Windows Data Access Components (WDAC) 6.0, allows remote attackers to execute arbitrary code via a long string in the Data Source Name (DSN) and a crafted szDSN argument, which bypasses a signed comparison and leads to a buffer overflow, aka "DSN Overflow Vulnerability."

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Affected Systems:
microsoft data access components 2.8
microsoft data access components 2.8

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Attack Scenarios:


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Ease of Attack:
Simple. Exploits exist.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

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Contributors:
Sourcefire Vulnerability Research Team
This document was generated from data supplied by the National Vulnerability Database. A product of the National Institute of Standards and Technology.
For more information see http://nvd.nist.gov/

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Additional References:

NIST CVE-2011-0026:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-0026
  
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