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Date: 4 Aug 2009 15:22:01 -0000
Subject: SAP Business One 2005 Remote Buffer Overflow Vulnerability.

Product: SAP Business One 2005


SAP Business One 2005 A (6.80.123) SP:00 PL:06
SAP Business One 2005 A (6.80.320) SP:01 PL:34

(Likely all 2005 versions are affected)

Not Vulnerable: SAP Business One 2007

Discovered By: Mike Arnold


NT_Naming_Service.exe (part of the License Manager for SAP Business One 2005) is vulnerable to a stack-based remote buffer overflow allowing for full system compromise by an unauthenticated user that has TCP/IP access to SAP's license service on TCP port 30000.

Sending a large GIOP request will cause a buffer overflow allowing for remote code execution.
NT_Naming_Service.exe runs with SYSTEM level privledges

Confirmed & Tested Vulnerable SAP Business One versions:

2005 A (6.80.123) SP:00 PL:06 (On Windows Server 2003 R2 Standard SP2)
2005 A (6.80.320) SP:01 PL:34 (On Windows Server 2003 R2 Enterprise SP2)

Proof of Concept exploit ---> .

The vendor has been notified, no patch has yet been released.

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