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Onapsis Security Advisory 2015-015: SAP HANA SQL injection in
_modifyUser function

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

By exploiting this vulnerability an attacker could modify information
related to users of the HANA system, affecting the integrity of the data
stored.

Risk Level: Medium


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

- - Public Release Date: 09/29/2015
- - Last Revised: 09/29/2015
- - Security Advisory ID: ONAPSIS-2015-015
- - Onapsis SVS ID: ONAPSIS-00169
- - CVE: N/A
- - Researcher: Pablo Artuso
- - Vendor Provided CVSS v2: 4.0 (AV:N/AC:L/Au:S/C:N/I:P/A:N)
- - Onapsis CVSS v2: 4.0 (AV:N/AC:L/Au:S/C:N/I:P/A:N)
- - Onapsis CVSS v3: 4.3 (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)


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

- - Vendor: SAP AG
- - Affected Components: SAP HANA DB 1.00.091.00.1418659308 (Check SAP
Note 2153765 for detailed information on affected releases)
- - Vulnerability Class: Improper Neutralization of Special Elements used
in an SQL Command (CWE-89)
- - Remotely Exploitable: Yes
- - Locally Exploitable: No
- - Authentication Required: Yes
- - Original Advisory:
https://www.onapsis.com/research/security-advisories/SAP-HANA-SQL-injection-in-_modifyUser-function


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
========================

A remote authenticated user can use the SAP Hana Web-based Development
Workbench to inject arbitrary SQL statements. The vulnerable function
(_modifyUser) builds SQL statements using user-controlled inputs without
prior sanitization, allowing the attacker to modify persisted data.

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

Implement SAP Security Note 2153765.


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

03/12/2015: Onapsis provides vulnerability information to SAP AG.
03/13/2015: SAP AG confirms reception of vulnerability report.
04/14/2015: SAP AG reports vulnerability is “In Process”.
05/12/2015: SAP AG releases Security Note 2153765 fixing the issue.
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
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