Date: Mon, 13 Aug 2018 18:06:00 -0300
From: Anibal Aguiar <aaguiar@...viso.com.br>
To: fulldisclosure@...lists.org
Subject: [FD] [CONVISO-18-001] - Nasdaq BWise JMX/RMI RCE

[CONVISO-18-001] - Nasdaq BWise JMX/RMI RCE

1. Advisory Information
    Conviso Advisory ID: CONVISO-18-001
    CVE ID: CVE-2018-11247
    CVSS v2: CVSS v2: 8.8,(AV:N/AC:M/Au:N/C:C/I:C/A:N)
    Date: 16/05/2018

2. Affected Components
    Nasdaq BWise 5.0 JMX/RMI interface

3. Description
    Nasdaq BWise 5.0, through its default installation, use an JMX/RMI
interface (SAP BO Component)
    without authentication on port 81/TCP.
    This interface permits to load and execute classes and
consequently OS command on application
    context.

4. Details
    To exploit the vulnerability a code should be capable of
connecting to port 81/TCP and then
    establishing communication with the instance of Mbean Server, in
sequence the methods of
    “javax.management.loading.Mlet” class could be used for deploy and
execute custom code.

5. Solution
    - JMX/RMI authentication should be used and access to port 81/TCP
should be restricted to SAP BO
    IP component.

6. Credits
    Anibal Aguiar <aaguiar@...viso.com.br>,<anibal.aguiar@...il.com>

7. Report Timeline
    16/05/2018 - Vulnerability discovered;
    17/05/2018 - Preliminary information discussed at a meeting with
interested parties;
    21/05/2018 - Conviso sent document with detailed description of
vulnerability;
    24/05/2018 - Vendor informed about temporary workaround while
works on definitive solution;
    03/07/2018 - Conviso was informed that a definitive solution is
not available yet;
    05/07/2018 - Last attempt with the vendor through LinkedIn and
contact on official product page;
    06/08/2018 - Conviso sent email informing disclosure date;
    13/08/2018 - Vulnerability disclosure.

8. References
    - https://en.wikipedia.org/wiki/Java_Management_Extensions
    - https://docs.oracle.com/javase/7/docs/technotes/tools/solaris/rmiregistry.html
    - https://docs.oracle.com/javadb/10.10.1.2/adminguide/radminjmxenablepwdssl.html

9. About Conviso
    Conviso is a consulting company specialized on application
security. Our values are based on the
    allocation of the adequate competencies on the field, a clear and
direct speech with the market,
    collaboration and partnership with our customers and business
partners and constant investments
    on methodology and research improvement. For more information
about our company and services
    provided, please check our website at www.conviso.com.br.

10. Copyright and Disclaimer
    The information in this advisory is Copyright 2018 Conviso
Application Security S/A and
    provided so that the society can understand the risk they may be
facing by running affected
    software, hardware or other components used on their systems. In
case you wish to copy
    information from this advisory, you must either copy all of it or
refer to this document
    (including our URL). No guarantee is provided for the accuracy of
this information, or damage
    you may cause your systems in testing.



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ANIBAL AGUIAR
Security Analyst
[image: Web] www.conviso.com.br
[image: Email] aaguiar@...viso.com.br
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