Date: Fri, 14 Aug 2015 18:53:54 +0300
From: ERPScan inc <erpscan.online@...il.com>
To: submissions@...ketstormsecurity.com, fulldisclosure@...lists.org, 
	pen-test@...urityfocus.com, bugs@...uritytracker.com, 
	bugtraq@...urityfocus.com
Subject: [FD] 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.


Address USA: 228 Hamilton Avenue, Fl. 3, Palo Alto, CA, 94301
Phone: 650.798.5255
Twitter: @erpscan
Scoop-it: Business Application Security
http://erpscan.com
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