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Security Bulletin: Potential Information Disclosure vulnerability in WebSphere Application Server (CVE-2016-5986)

Security Bulletin


Summary

There is a potential information disclosure in WebSphere Application Server.

Vulnerability Details

CVEID: CVE-2016-5986
DESCRIPTION:
IBM WebSphere Application Server and IBM WebSphere Application Server Liberty could allow a remote attacker to obtain sensitive information, caused by the improper handling of responses under certain conditions. An attacker could exploit this vulnerability to gain server identification information.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116556 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 and WebSphere Application Server Hypervisor Editions:

  • Liberty
  • Version 9.0
  • Version 8.5.5
  • Version 8.0
  • Version 7.0

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI67093 for each named product as soon as practical.

For WebSphere Application Server and WebSphere Application Server Hypervisor Edition:

For Liberty:

· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI67093
--OR--
· Apply Liberty Fix Pack 16.0.0.3 or later.

For V9.0.0.0 through 9.0.0.1:

· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI67093
--OR--
· Apply Fix Pack 9.0.0.2 or later.

For V8.5.0.0 through 8.5.5.10
:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI67093

--OR--
· Apply Fix Pack 8.5.5.11 or later.

For V8.0.0.0 through 8.0.0.12:
· Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI67093

--OR--
· Apply Fix Pack 8.0.0.13 or later.

For V7.0.0.0 through 7.0.0.41:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI67093

--OR--
· Apply Fix Pack 7.0.0.43 or later.

Get Notified about Future Security Bulletins

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 v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

15 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

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.

Related information

A Japanese translation is available

Cross reference information
Segment Product Component Platform Version Edition
Application Servers WebSphere Application Server Hypervisor Edition
Application Servers WebSphere Application Server Liberty Core

Document information

More support for: WebSphere Application Server
General

Software version: 7.0, 8.0, 8.5, 8.5.5, 9.0.0.0

Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS

Software edition: Base, Developer, Express, Liberty, Network Deployment

Reference #: 1990056

Modified date: 07 December 2016