Security Bulletin: Open redirect vulnerability in IBM Business Process Manager (CVE-2017-1159)

Security Bulletin

Summary

IBM Business Process Manager is vulnerable to open redirects, caused by improper validation of user-supplied input.

Vulnerability Details

CVEID: CVE-2017-1159
DESCRIPTION: IBM Business Process Manager could allow a remote attacker to conduct phishing attacks, using an open redirect attack. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to spoof the URL displayed to redirect a user to a malicious Web site that would appear to be trusted. This could allow the attacker to obtain highly sensitive information or conduct further attacks against the victim.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/122891 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N)

Affected Products and Versions

- IBM Business Process Manager V7.5.0.0 through V7.5.1.2

- IBM Business Process Manager V8.0.0.0 through V8.0.1.3

- IBM Business Process Manager V8.5.0.0 through V8.5.0.2

- IBM Business Process Manager V8.5.5.0

- IBM Business Process Manager V8.5.6.0 through V8.5.6.0 CF2

- IBM Business Process Manager V8.5.7.0 through V8.5.7.0 Cumulative Fix 2016.12

Note: A fix for IBM BPM V8.5.7 cumulative fix (CF) 2017.03 is available even though IBM BPM V8.5.7 CF 2017.03 is not vulnerable to this security issue. The intention of this interim fix is to prevent the following unnecessary warning message in IBM Installation Manager, which you see when you upgrade IBM BPM:

"One or more fixes will be uninstalled when IBM(R) Business Process Manager <Advanced | Standard | Express> is updated to 8.5.7. CF2017.03. The update does not address issues that were resolved previously by the maintenance packages. The problems might return if fixes for the the following issues are not reapplied or have new fixes applied to prevent the problems from returning.
- JR57478 in the package IBM(R) Business Process Manager <Advanced | Standard | Express> 8.5...
- JR57590 in the package IBM(R) Business Process Manager <Advanced | Standard | Express> 8.5..."

Remediation/Fixes

Interim fix JR57478 does not fix this vulnerability for releases 8.5.5 and later. Use interim fix JR58405 instead. If JR57478 is already installed, update it to interim fix JR58405.

The recommended solution is to apply the fixes as below:

As IBM Business Process Manager V7.5 is out of general support, customers with a support extension contract can contact IBM support to request the fix.

For IBM BPM V7.5.0.0 through V7.5.1.2:

Upgrade to minimal Refresh Pack 1, install Fix Pack 2 as required by iFix and then apply iFix JR57478
JR57590 is not required for the V7.5 release

For IBM BPM V8.0.0.0 through V8.0.1.3

Upgrade to minimal Refresh Pack 1, install Fix Pack 3 as required by iFix and then apply iFix JR57478
JR57590 is not required for the V8.0 release

For IBM BPM V8.5.0.0 through V8.5.0.2

Install Fix Pack 2 as required by iFix and then apply iFixes JR57478 and JR57590

For IBM BPM V8.5.5.0

Apply iFixes JR58405 and JR57590

For IBM BPM V8.5.6.0 through V8.5.6.0 CF2

Install CF2 as required by iFix and then apply iFixes JR58405 and JR57590

For IBM BPM V8.5.7.0 through V8.5.7.0 CF 2016.12

Install CF 2017.03

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support alerts like this.

Important Note

IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.

References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Change History

17 October 2017: Clarify APARs for BPM versions
17 October 2017: JR58405 replaces incorrect APAR JR57478
18 May 2017: original document 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.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

[{"Product":{"code":"SSFTN5","label":"IBM Business Process Manager Advanced"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Security","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"8.5.7.CF201612;8.5.7.CF201609;8.5.7.CF201606;8.5.7;8.5.6.2;8.5.6.1;8.5.6;8.5.5;8.5.0.2;8.5.0.1;8.5;8.0.1.3;8.0.1.2;8.0.1.1;8.0.1;8.0","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}},{"Product":{"code":"SSFTBX","label":"IBM Business Process Manager Express"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Security","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":"8.5.7.CF201612;8.5.7.CF201609;8.5.7.CF201606;8.5.7;8.5.6.2;8.5.6.1;8.5.6;8.5.5;8.5.0.2;8.5.0.1;8.5;8.0.1.3;8.0.1.2;8.0.1.1;8.0.1;8.0","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}},{"Product":{"code":"SSFTDH","label":"IBM Business Process Manager Standard"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Security","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"8.5.7.CF201612;8.5.7.CF201609;8.5.7.CF201606;8.5.7;8.5.6.2;8.5.6.1;8.5.6;8.5.5;8.5.0.2;8.5.0.1;8.5;8.0.1.3;8.0.1.2;8.0.1.1;8.0.1;8.0","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}},{"Product":{"code":"SSFTN5","label":"IBM Business Process Manager Advanced"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":null,"Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"},{"code":"PF035","label":"z\/OS"}],"Version":"8.5.7.CF201612;8.5.7.CF201609;8.5.7.CF201606;8.5.7;8.5.6.2;8.5.6.1;8.5.6;8.5.5;8.5.0.2;8.5.0.1;8.5;8.0.1.3;8.0.1.2;8.0.1.1;8.0.1;8.0","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Tips

Security Bulletin: Open redirect vulnerability in IBM Business Process Manager (CVE-2017-1159)