Date: Mon, 17 Aug 2015 17:12:56 +0300
From: ERPScan inc <erpscan.online@...il.com>
To: pen-test@...urityfocus.com, bugtraq@...urityfocus.com
Subject: [ERPSCAN-15-012] SAP Afaria 7 XComms – Buffer Overflow

ERPSCAN Research Advisory [ERPSCAN-15-012] SAP Afaria 7 XComms – Buffer Overflow
Application: SAP Afaria 7
Versions Affected: SAP Afaria 7, probably others
Vendor URL: http://SAP.com
Bugs: Buffer Overflow
Sent: 13.03.2015
Reported: 14.03.2015
Vendor response:                14.03.2015
Date of Public Advisory:        18.05.2015
Reference: SAP Security Note 2153690
Author: Dmitry Chastukhin (ERPScan)
Description
1. ADVISORY INFORMATION
Title: SAP Afaria 7
Advisory ID: [ERPSCAN-15-012]
Risk: High
Advisory URL: http://erpscan.com/advisories/erpscan-15-012-sap-afaria-7-xcomms-bof/
Date published: 18.05.2015
Vendors contacted: SAP
2. VULNERABILITY INFORMATION
Class: XML External Entity [CWE-121]
Impact: Information disclosure, DoS
Remotely Exploitable: Yes
Locally Exploitable: No
CVE Name: CVE-2015-4092
3. VULNERABILITY DESCRIPTION
1) Buffer Overflow: A vulnerability has been discovered in certain
landscape configurations of SAP Afaria that utilize XComms for
client-to-server communications. XComms is only used for Android,
Windows Mobile, and Win32 clients.
2) Information Disclosure: An encrypted password is left in the file
system that is not needed for server operation. (CVSS Score: 1.9,
LMN|PNN)
3) Denial of Service (DoS): An attacker can remotely exploit the SAP
Afaria Package Server, rendering it, and potentially the resources
utilized by the Afaria server, unavailable. (CVSS Score: 7.8, NLN|NNC)
4. VULNERABLE PACKAGES
SAP Afaria 7
Other versions are probably affected too, but they were not checked.
5. SOLUTIONS AND WORKAROUNDS
Multiple vulnerabilities have been discovered in certain landscape
configurations of SAP Afaria. SAP has released a security patch to
address the vulnerabilities. SAP strongly recommends that customers
update their landscapes.
Patch Instructions:
1) Download hotfix.
 SAP Afaria 7 SP5: Download Hotfix 11
2) Apply server hotfix (SAP Security Note 2153690)
SAP takes any security-related reports very seriously, and we will
notify our customers as relevant new information on this topic becomes
available. Customers may also contact SAP support by raising a
customer incident on the component MOB-AFA.
6. AUTHOR
Dmitry Chastukhin (ERPScan)
7. TECHNICAL DESCRIPTION
An attacker can generate and send a special request to the server to
exploit a buffer overflow vulnerability.
8. REPORT TIMELINE
Sent: 13.03.2015
Reported:                       14.03.2015
Vendor response:                14.03.2015
Date of Public Advisory:        18.05.2015
9. REFERENCES
http://erpscan.com/advisories/erpscan-15-012-sap-afaria-7-xcomms-bof/
10. ABOUT ERPScan Research
The company’s expertise is based on the research subdivision of
ERPScan, which is engaged in vulnerability research and analysis of
critical enterprise applications. It has achieved multiple
acknowledgments from the largest software vendors like SAP, Oracle,
Microsoft, IBM, VMware, HP for discovering more than 400
vulnerabilities in their solutions (200 of them just in SAP!).
ERPScan researchers are proud to have exposed new types of
vulnerabilities (TOP 10 Web Hacking Techniques 2012) and to be
nominated for the best server-side vulnerability at BlackHat 2013.
ERPScan experts have been invited to speak, present, and train at 60+
prime international security conferences in 25+ countries across the
continents. These include BlackHat, RSA, HITB, and private SAP
trainings in several Fortune 2000 companies.
ERPScan researchers lead the project EAS-SEC, which is focused on
enterprise application security research and awareness. They have
published 3 exhaustive annual award-winning surveys about SAP
security.
ERPScan experts have been interviewed by leading media resources and
featured in specialized info-sec publications worldwide. These include
Reuters, Yahoo, SC Magazine, The Register, CIO, PC World, DarkReading,
Heise, and Chinabyte, to name a few.
We have highly qualified experts in staff with experience in many
different fields of security, from web applications and
mobile/embedded to reverse engineering and ICS/SCADA systems,
accumulating their experience to conduct the best SAP security
research.
11. ABOUT ERPScan
ERPScan is one of the most respected and credible Business Application
Security providers. Founded in 2010, the company operates globally.
Named an Emerging vendor in Security by CRN and distinguished by more
than 25 other awards, ERPScan is the leading SAP SE partner in
discovering and resolving security vulnerabilities. ERPScan
consultants work with SAP SE in Walldorf to improve the security of
their latest solutions.
ERPScan’s primary mission is to close the gap between technical and
business security. We provide solutions to secure ERP systems and
business-critical applications from both cyber attacks and internal
fraud. Our clients are usually large enterprises, Fortune 2000
companies, and managed service providers whose requirements are to
actively monitor and manage the security of vast SAP landscapes on a
global scale.
Our flagship product is ERPScan Security Monitoring Suite for SAP.
This multi award-winning innovative software is the only solution on
the market certified by SAP SE covering all tiers of SAP security:
vulnerability assessment, source code review, and Segregation of
Duties.
The largest companies from diverse industries like oil and gas,
banking, retail, even nuclear power installations as well as
consulting companies have successfully deployed the software. ERPScan
Security Monitoring Suite for SAP is specifically designed for
enterprises to continuously monitor changes in multiple SAP systems.
It generates and analyzes trends in user friendly dashboards, manages
risks, tasks, and can export results to external systems. These
features enable central management of SAP system security with minimal
time and effort.
We follow the sun and function in two hubs located in the Netherlands
and the US to operate local offices and partner network spanning 20+
countries around the globe. This enables monitoring cyber threats in
real time and providing agile customer support.
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Phone: 650.798.5255
Twitter: @erpscan
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