Security Bulletin: Cross-site request forgery in WebSphere Application Server (CVE-2017-1194)

Security Bulletin

Summary

There is a potential cross-site request forgery in WebSphere Application Server OAuth service provider.

Vulnerability Details

CVEID: CVE-2017-1194
DESCRIPTION: IBM WebSphere Application Server 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/123669 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

This vulnerability affects the following versions and releases of IBM WebSphere Application Server:

Liberty
Version 9.0
Version 8.5
Version 8.0
Version 7.0

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI77770 for each named product as soon as practical.

For WebSphere Application Server Liberty:

· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI77770
--OR--
· Apply Liberty Fix Pack 17.0.0.2 or later.

For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition:
For V9.0.0.0 through 9.0.0.3:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI77770
--OR--
· Apply Fix Pack 9.0.0.4 or later.

For V8.5.0.0 through 8.5.5.11:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI77770
--OR--
· Apply Fix Pack 8.5.5.12 or later.

For V8.0.0.0 through 8.0.0.13:
· Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI77770

--OR--
· Apply Fix Pack 8.0.0.14 or later.

For V7.0.0.0 through 7.0.0.43:
· Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI77770

--OR--
· Apply Fix Pack 7.0.0.45 or later.

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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

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Change History

26 April 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.

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Tips

Security Bulletin: Cross-site request forgery in WebSphere Application Server (CVE-2017-1194)