Security Bulletin: Ineffective Cross Site Request Forgery (CSRF) protection in IBM Business Process Manager (BPM) (CVE-2017-1769)
The optional Cross Site Request Forgery (CSRF) protection feature using Referer header whitelisting is ineffective in IBM BPM V220.127.116.11. The check is effectively skipped.
DESCRIPTION: IBM Business Process Manager is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from a user that the website trusts.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/136783 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
Affected Products and Versions
- IBM Business Process Manager V18.104.22.168
The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR58805 as soon as practical:
For IBM BPM V22.214.171.124 (released 2017.09)
- Install CF 2017.12 or later
Workarounds and Mitigations
Get Notified about Future Security Bulletins
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ReferencesComplete CVSS v3 Guide
On-line Calculator v3
Related informationIBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
22 January 2018: initial version published
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
|Business Integration||IBM Business Process Manager Express||Linux, Windows||8.6|