Security Basics
[Onapsis Security Advisory 2014-009] SAP BASIS Missing Authorization Check Apr 28 2014 08:59PM
Onapsis Research Labs (research onapsis com)

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Onapsis Security Advisory 2014-009: SAP BASIS Missing Authorization Check

This advisory can be downloaded in PDF format from http://www.onapsis.com/.

By downloading this advisory from the Onapsis Resource Center, you will
gain access to beforehand information on upcoming advisories,
presentations and new research projects from the Onapsis Research Labs,
as well as exclusive access to special promotions for upcoming trainings
and conferences.

1. Impact on Business

By exploiting this vulnerability an authenticated attacker will be able
to abuse of functionality that should be restricted with the objective
to leverage his / her privileges over the affected system.

Risk Level: Medium

2. Advisory Information

- -- Public Release Date: 2014-04-28

- -- Subscriber Notification Date: 2014-04-28

- -- Last Revised: 2014-04-25

- -- Security Advisory ID: ONAPSIS-2014-009

- -- Onapsis SVS ID: ONAPSIS-00068

- -- Researcher: Jordan Santarsieri

- -- Initial Base CVSS v2: 4 (AV:N/AC:L/AU:S/C:P/I:N/A:N)

3. Vulnerability Information

- -- Vendor: SAP

- -- Affected Components:
* SAP Netweaver ABAP Application Server
(Check SAP Note 1910914 for detailed information on affected releases)

- -- Vulnerability Class: Improper Access Control (CWE-284)

- -- Remotely Exploitable: No

- -- Locally Exploitable: Yes

- -- Authentication Required: Yes

- -- Original Advisory:
http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2014-009

4. Affected Components Description

The ABAP Help documentation and translation tools (BC-DOC-HLP) are a set
of utilities and messages that are presented to the user after he / she
performs actions on the system.

5. Vulnerability Details

It has been detected that some functionality from BC-DOC-HLP is
unrestricted. This scenario will allow an authenticated attacker to
modify help information messages allowing the execution of some ABAP
instructions with the objective to leverage the local level of permissions.

6. Solution

SAP has released SAP Note 1910914 which provide patched versions of the
affected components.

The patches can be downloaded from
https://service.sap.com/sap/support/notes/1910914.

Onapsis strongly recommends SAP customers to download the related
security fixes and apply them to the affected components in order to
reduce business risks.

7. Report Timeline

2013-09-12: Onapsis provides vulnerability information to SAP AG.
2012-09-13: SAP confirms having the information of vulnerability.
2014-01-14: SAP releases security patches.
2014-04-28: Onapsis notifies availability of security advisory.

About Onapsis, Inc.

Onapsis provides innovative security software solutions to protect ERP
systems from cyber-attacks. Through unmatched ERP security, compliance
and continuous monitoring products, Onapsis secures the
business-critical infrastructure of its global customers against
espionage, sabotage and financial fraud threats.

Onapsis X1, the company's flagship product, is the industry's first
comprehensive solution for the automated security assessment of SAP
platforms. Being the first and only SAP-certified solution of its kind,
Onapsis X1 allows customers to perform automated Vulnerability
Assessments, Security & Compliance Audits and Penetration Tests over
their entire SAP platform.

Onapsis is backed by the Onapsis Research Labs, a world-renowned team of
SAP & ERP security experts who are continuously invited to lecture at
the leading IT security conferences, such as RSA and BlackHat, and
featured by mainstream media such as CNN, Reuters, IDG and New York Times.

For further information about our solutions, please contact us at
info (at) onapsis (dot) com [email concealed] and visit our website at www.onapsis.com.
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