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Onapsis Security Advisory ONAPSIS-2014-034: SAP Business Objects Search
Token Privilege Escalation via CORBA


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

By exploiting this vulnerability a remote and potentially
unauthenticated attacker would be able to access or modify any
information stored on the SAP BusineesObjects server.
The attacker could also connect to the business systems depending on the
configuration of the BO infrastructure.

Risk Level: Critical

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

- - Public Release Date: 2014-12-16
- - Subscriber Notification Date: 2014-12-16
- - Last Revised: 2014-12-14
- - Security Advisory ID: ONAPSIS-2014-034
- - Onapsis SVS ID: ONAPSIS-00121
- - CVE: CVE-2014-9320
- - Researcher: Will Vandevanter, Juan Perez-Etchegoyen
- - Initial Base CVSS v2: 9.0 (AV:N/AC:L/AU:S/C:C/I:C/A:C)

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

- - Vendor: SAP
- - Affected Components:
  * BussinessObjects Edge 4.1
    (Check SAP Note 2039905 for detailed information on affected releases)

- - Vulnerability Class: Improper Access Control (CWE-284)
- - Remotely Exploitable: Yes
- - Locally Exploitable: No
- - Authentication Required: Yes
- - Original Advisory:
http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2014-034

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

SAP Business Objects allows a remote user, potentially using a Guest
account if enabled, to perform CORBA calls to resources that should be
restricted by correctly checking the privileges of the user performing
the request.

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

Using CORBA calls it is possible to escalate privileges from any valid
user to System privileges in BusinsessObjects. The System Account can
perform any action in BusinessObjects.

An unauthenticated attacker (if Guest user is enabled, so no credentials
are required) can obtain the SI_PLATFORM_SEARCH_SERVER_LOGON_TOKEN via
CORBA. This token can be used, also via CORBA, to perform actions as
SYSTEM, thus escalating privileges.

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

SAP has released SAP Note 2039905 which provide patched versions of the
affected components.

The patches can be downloaded from
https://service.sap.com/sap/support/notes/2039905

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

2014-02-25: Onapsis provides vulnerability information to SAP AG.
2014-02-26: SAP confirms having the information of vulnerability.
2014-09-10: SAP releases security patches, assigning a CVSS score of 6.0.
2014-12-16: Onapsis notifies availability of 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 gives organizations the adaptive advantage to succeed in
securing business-critical applications by combining technology,
research and analytics. Onapsis enables every security and compliance
team an adaptive approach to focus on the factors that matter most to
their business – critical applications that house vital data and run
business processes.
Onapsis provides technology solutions including Onapsis X1, the de-facto
SAP security auditing tool which delivers enterprise vulnerability,
compliance, detection and response capabilities with analytics.
The Onapsis Research Labs provide subject matter expertise that combines
in-depth knowledge and experience to deliver technical and
business-context with sound security judgment. This enables
organizations to efficiently uncover security and compliance gaps and
prioritize the resolution within applications running on SAP platforms.
Onapsis delivers tangible business results including decreased business
risk, highlighted compliance gaps, lower operational security costs and
demonstrable value on investment.
For further information about our solutions, please contact us at
info@onapsis.com and visit our website at www.onapsis.com.
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