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Onapsis Security Advisory ONAPSIS-2016-022: SAP TREX Arbitrary file write

1. Impact on Business
=====================
By exploiting this vulnerability an unauthenticated attacker could
modify any information indexed by the SAP system.

Risk Level: High

2. Advisory Information
=======================
- - Public Release Date: 07/20/2016
- - Last Revised: 07/20/2016
- - Security Advisory ID: ONAPSIS-2016-022
- - Onapsis SVS ID: ONAPSIS-00180
- - CVE: CVE-2016-6140
- - Researcher: Juan Pablo Perez Etchegoyen and Sergio Abraham
- - Vendor Provided CVSS v2: 7.6 (AV:N/AC:H/Au:N/C:C/I:C/A:C)
- - Onapsis CVSS v2: 7.1 (AV:N/AC:M/Au:N/C:C/I:N/A:N)
- - Onapsis CVSS v3: 6.8 (AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)


3. Vulnerability Information
============================
- - Vendor:  SAP AG
- - Affected Components: SAP TREX 7.10 a Revision 63
- - Vulnerability Class: Improper Access Control (CWE-284)
- - Remotely Exploitable: Yes
- - Locally Exploitable: No
- - Authentication Required: No
- - Original Advisory:
http://onapsis.com/research/security-advisories/sap-trex-arbitrary-file-write


4. Affected Components Description
==================================
According to SAP aThe TREX servers (name server, queue server, index
server, preprocessor, and TREX Web servers) communicate with each
other using TREXNet. TREXNet is a communication protocol developed for
TREX-internal communication. Like HTTP/HTTPS, it is based on TCP/IPa1.

5. Vulnerability Details
========================
A specific function allows a non-authenticated attacker to remotely
write arbitrary files to TREX server.

6. Solution
===========
Implement SAP Security Note 2203591.

7. Report Timeline
==================
- - 03/21/2015: Onapsis provides vulnerability information to SAP AG.
- - 04/14/2014: SAP reports fix is In Process.
- - 10/13/2015: SAP releases SAP Security Note 2203591 fixing the vulnerability.
- - 07/20/2016: Onapsis Releases Security Advisory.

About Onapsis Research Labs
===========================
Onapsis Research Labs provides the industry analysis of key security
issues that impact business-critical systems and applications.
Delivering frequent and timely security and compliance advisories with
associated risk levels, Onapsis Research Labs combine in-depth
knowledge and experience to deliver technical and business-context
with sound security judgment to the broader information security
community.

About Onapsis, Inc.
===================
Onapsis provides the most comprehensive solutions for securing SAP and
Oracle enterprise applications. As the leading experts in SAP and
Oracle cyber-security, Onapsisa enables security and audit teams to
have visibility, confidence and control of advanced threats,
cyber-risks and compliance gaps affecting their enterprise
applications.

Headquartered in Boston, Onapsis serves over 180 Global 2000
customers, including 10 top retailers, 20 top energy firms and 20 top
manufacturers. Onapsisa solutions are also the de-facto standard for
leading consulting and audit firms such as Accenture, IBM, Deloitte,
E&Y, KPMG and PwC.

Onapsis solutions include the Onapsis Security Platform, which is the
most widely-used SAP-certified cyber-security solution in the market.
Unlike generic security products, Onapsisa context-aware solutions
deliver both preventative vulnerability and compliance controls, as
well as real-time detection and incident response capabilities to
reduce risks affecting critical business processes and data. Through
open interfaces, the platform can be integrated with leading SIEM, GRC
and network security products, seamlessly incorporating enterprise
applications into existing vulnerability, risk and incident response
management programs.

These solutions are powered by the Onapsis Research Labs which
continuously provide leading intelligence on security threats
affecting SAP and Oracle enterprise applications. Experts of the
Onapsis Research Labs were the first to lecture on SAP cyber-attacks
and have uncovered and helped fix hundreds of security vulnerabilities
to-date affecting SAP Business Suite, SAP HANA, SAP Cloud and SAP
Mobile applications, as well as Oracle JD Edwards and Oracle
E-Business Suite platforms.

For more information, please visit www.onapsis.com, or connect with us
on Twitter, Google+, or LinkedIn.

1- http://help.sap.com/saphelp_nw70/helpdata/en/40/98479c3d8148b9e10000000a114cbd/content.htm



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