Nasdaq BWise 5.0 JMX/RMI Interface Remote Code Execution

`[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  
ajavax.management.loading.Mleta 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 <[email protected]>,<[email protected]>  
  
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  
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security. Our values are based on the  
allocation of the adequate competencies on the field, a clear and  
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partners and constant investments  
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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  
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