Security Bulletin: Open Redirect vulnerability in WebSphere Application Server Liberty (CVE-2016-3040)

Security Bulletin

Summary

There is a potential for an open redirect vulnerability when using WebSphere Application Server Liberty Profile.

Vulnerability Details

CVEID: CVE-2016-3040
DESCRIPTION: IBM WebSphere Application Server Liberty could allow a remote attacker to conduct phishing attacks, caused by an open redirect vulnerability. An attacker could exploit this vulnerability to redirect a victim to arbitrary Web sites.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114636 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N)

Affected Products and Versions

This vulnerability affects IBM WebSphere Application Server Liberty

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI63929 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 PI63929
--OR--
· Apply Fix Pack 16.0.0.3 or later.

Workarounds and Mitigations

none

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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

12 September 2016: 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: Open Redirect vulnerability in WebSphere Application Server Liberty (CVE-2016-3040)