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Category:   Application (Generic)  >   SAP Business One Vendors:   SAP
SAP Business One Stack Overflow in 'NT_Naming_Service.exe' Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1022655
SecurityTracker URL:
CVE Reference:   CVE-2009-4988   (Links to External Site)
Updated:  Sep 2 2010
Original Entry Date:  Aug 4 2009
Impact:   Execution of arbitrary code via network, Root access via network
Exploit Included:  Yes  
Version(s): 2005 A (6.80.123) SP:00 PL:06, 2005 A (6.80.320) SP:01 PL:34
Description:   A vulnerability was reported in SAP Business One. A remote user can execute arbitrary code on the target system.

A remote user can send a specially crafted GIOP request to the License Manager's 'NT_Naming_Service.exe' service on TCP port 30000 to trigger a stack overflow and execute arbitrary code on the target system. The code will run with SYSTEM privileges.

SAP Business One 2007 is not affected.

The vendor has been notified.

A demonstration exploit is available at:

Mike Arnold reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   No solution was available at the time of this entry.
Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (2003)

Message History:   None.

 Source Message Contents

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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