ZDI-10-032: SAP MaxDB Malformed Handshake Request Remote Code Execution Vulnerability

ZDI-10-032: SAP MaxDB Malformed Handshake Request Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-032
March 16, 2010

– Affected Vendors:
SAP

– Affected Products:
SAP MaxDB

– TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 9403.
For further product information on the TippingPoint IPS, visit:

http://www.tippingpoint.com

– Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of SAP MaxDB. Authentication is not required to
exploit this vulnerability.

The specific flaw exists within the serv.exe process which listens by
default on TCP port 7210. The process trusts a value from a handshake
packet and uses it as a length when copying data to the stack. If
provided a malicious value and packet data, this can be leveraged to
execute arbitrary code under the context of the SYSTEM user.

– Vendor Response:
SAP states:
A solution was provided via SAP note 1409425
(https://service.sap.com/sap/support/notes/1409425)

– Disclosure Timeline:
2009-11-09 - Vulnerability reported to vendor
2010-03-16 - Coordinated public release of advisory

– Credit:
This vulnerability was discovered by:
* AbdulAziz Hariri of Insight Technologies

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