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Onapsis Security Advisory 2015-021: SAP HANA XSS in user creation
through Web-based development workbench


1. Impact on Business
=====================

By exploiting this vulnerability a remote authenticated attacker would
be able to attack other users connected to the HANA system.

Risk Level: Medium


2. Advisory Information
=======================

- - Public Release Date: 09/29/2015
- - Last Revised: 09/29/2015
- - Security Advisory ID: ONAPSIS-2015-021
- - Onapsis SVS ID: ONAPSIS-00157
- - CVE: N/A
- - Researcher: Nahuel Sanchez
- - Vendor Provided CVSS v2: 4.9 (AV:N/AC:M/Au:S/C:P/I:P/A:N)
- - Onapsis CVSS v2: 5.5 (AV:N/AC:L/Au:S/C:P/I:P/A:N)
- - Onapsis CVSS v3: 5.4 (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)


3. Vulnerability Information
============================

- - Vendor: SAP AG
- - Affected Components: SAP HANA DB 1.00.73.00.389160 (NewDB100_REL
(Check SAP Note 2153898 for detailed information on affected releases)
- - Vulnerability Class: Improper Neutralization of Script-Related HTML
Tags in a Web Page (CWE-80)
- - Remotely Exploitable: Yes
- - Locally Exploitable: No
- - Authentication Required: Yes
- - Original Advisory:
http://www.onapsis.com/research/security-advisories/SAP-HANA-XSS-in-user
- -creation-through-Web-based-development-workbench


4. Affected Components Description
==================================

SAP HANA is a platform for real-time business. It combines database,
data processing, and application platform capabilities in-memory. The
platform provides libraries for predictive, planning, text processing,
spatial, and business analytics.


5. Vulnerability Details
========================

The SAP HANA Web-based Development Workbench does not sufficiently
encode user controlled inputs, specifically the username during user
creation/modification. This could allow remote authenticated attackers
to trigger XSS techniques and execute more complex attack scenarios.


6. Solution
===========

Implement SAP Security Note 2153898.


7. Report Timeline
==================

01/26/2015: Onapsis provides vulnerability information to SAP AG.
01/27/2015: SAP AG confirms reception of vulnerability report.
02/10/2015: SAP reports vulnerability is “In Process”
05/12/2015: SAP releases Security Note 2153898 fixing the issue but not
informing Onapsis the fix was included in that Note.
05/12/2015: Onapsis asks SAP on the status of internal case
corresponding to reported vulnerability ONAPSIS-00157.
05/12/2015: SAP informs reported vulnerability ONAPSIS-00157 was
considered duplicate of ONAPSIS-00162, thus included in the same
Security Note fixing that vulnerability.
09/29/2015: Onapsis publishes 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, Onapsis’ 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. Onapsis’ 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, Onapsis’ 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.
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