SAP NetWeaver AS JAVA 7.1 < 7.5 - Information Disclosure

Application:SAP NetWeaver AS JAVA
Versions Affected: SAP NetWeaver  AS JAVA 7.1 - 7.5
Vendor URL: http://SAP.com
Bugs:  information disclosure
Sent:  15.09.2015
Reported:  15.09.2015
Vendor response: 16.09.2015
Date of Public Advisory: 09.02.2016
Reference: SAP Security Note 2256846
Author: Vahagn Vardanyan  (ERPScan)
 
 
Description
 
1. ADVISORY INFORMATION
 
Title: SAP NetWeaver AS JAVA – information disclosure vulnerability
Advisory ID: [ERPSCAN-16-010]
Risk: Medium
Advisory URL: https://erpscan.com/advisories/erpscan-16-010-sap-netweaver-7-4-information-disclosure/
Date published: 09.02.2016
Vendors contacted: SAP
 
 
2. VULNERABILITY INFORMATION
 
Class: Information disclosure
Impact: Resource consumption
Remotely Exploitable: Yes
Locally Exploitable: No
CVE: CVE-2016-2388
 
CVSS Information
 
CVSS Base Score v3:  5.3  / 10
CVSS Base Vector:
AV : Access Vector (Related exploit range) Network (N)
AC : Access Complexity (Required attack complexity) Low (L)
Au : Authentication (Level of authentication needed to exploit) None (N)
C : Impact to Confidentiality Low(N)
I  : Impact to Integrity None(N)
A : Impact to Availability None (N)
 
 
3. VULNERABILITY DESCRIPTION
 
Anonymous attacker can use a special HTTP request to get information
about SAP NetWeaver users.
 
 
4. VULNERABLE PACKAGES
 
SAP NetWeaver AS JAVA 7.1- 7.5
 
Other versions are probably affected too, but they were not checked.
 
 
5. SOLUTIONS AND WORKAROUNDS
 
To correct this vulnerability, install SAP Security Note  2256846
 
 
6. AUTHOR
 
Vahagn Vardanyan  (ERPScan)
 
 
7. TECHNICAL DESCRIPTION
 
An attacker can use Information disclosure vulnerability to reveal
additional information (system data, debugging information, etc) that
will help him to learn more about a system and to plan further
attacks.
 
 
Steps to exploit this vulnerability
 
1. Open http://SAP:50000/webdynpro/resources/sap.com/XXX/JWFTestAddAssignees#
page on SAP server
 
2. Press "Choose" button
 
3. In the opened window press “Search”
 
You will get a list of SAP users
 
 
8. REPORT TIMELINE
 
Sent:  15.09.2015
Reported:   15.09.2015
Vendor response:   16.09.2015
Date of Public Advisory:   09.02.2016
 
 
9. REFERENCES
 
https://erpscan.com/advisories/erpscan-16-010-sap-netweaver-7-4-information-disclosure/

#  0day.today [2018-01-04]  #