Security Bulletin: Information Disclosure in IBM WebSphere Application Server Liberty (CVE-2016-0378)

Security Bulletin

Summary

There is an Information Disclosure Vulnerability in IBM WebSphere Application Server Liberty.

Vulnerability Details

CVEID: CVE-2016-0378
DESCRIPTION: IBM WebSphere Application Server Liberty could allow a remote attacker to obtain sensitive information caused by improper handling of exceptions when a default error page does not exist.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112240 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

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

Liberty

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI54459 for each named product as soon as practical.

For WebSphere Application Server Liberty:
For Liberty:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI54459

--OR--
· Apply Liberty Fix Pack 16.0.0.3 or later.

Workarounds and Mitigations

Create a custom error page.

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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

16 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: Information Disclosure in IBM WebSphere Application Server Liberty (CVE-2016-0378)