full-disclosure - ZDI-10-236: SAP NetWeaver Composition Environment sapstartsrv.exe Remote Code Execution Vulnerability

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Date: Mon, 8 Nov 2010 16:18:41 -0600
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'Full Disclosure (full-disclosure@...ts.grok.org.uk)'"
	<full-disclosure@...ts.grok.org.uk>,
	"'Bugtraq (bugtraq@...urityfocus.com)'" <bugtraq@...urityfocus.com>
Subject: ZDI-10-236: SAP NetWeaver Composition Environment
 sapstartsrv.exe Remote Code Execution Vulnerability

ZDI-10-236: SAP NetWeaver Composition Environment sapstartsrv.exe Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-10-236

November 8, 2010

-- CVSS:
10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)

-- Affected Vendors:
SAP

-- Affected Products:
SAP NetWeaver

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10656.
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 NetWeaver Composition Environment.
Authentication is not required to exploit this vulnerability.

The specific flaw exists within the sapstartsrv.exe process which
listens by default on ports 50013 and 50113. A malformed SOAP request
(via POST) can be used to reach an unbounded copy loop which results in
attacker-supplied data being written into existing function pointers. It
is possible for a remote attacker to leverage this vulnerability to
execute arbitrary code.

-- Vendor Response:
SAP states:
A solution was provided via SAP note 1414444
https://service.sap.com/sap/support/notes/1414444

-- Disclosure Timeline:
2010-10-18 - Vulnerability reported to vendor
2010-11-08 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * AbdulAziz Hariri

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
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TippingPoint provides its customers with zero day protection through
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