Security Bulletin: HTTP Response Splitting in WebSphere Application Server (CVE-2016-0359)

Summary

There is a potential HTTP response splitting vulnerability in IBM WebSphere Application Server.

Vulnerability Details

CVEID: CVE-2016-0359**
DESCRIPTION:** IBM WebSphere Application Server is vulnerable to HTTP response splitting attacks. A remote attacker could exploit this vulnerability using specially-crafted URL to cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning, cross-site scripting, and possibly obtain sensitive information.
CVSS Base Score: 6.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111929 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

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

• Version 8.5.5 Full Profile and Liberty
• Version 8.5 Full Profile and Liberty
• Version 8.0
• Version 7.0

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI58918 for each named product as soon as practical. **

For WebSphere Application Server:** **
For V8.5.0.0 through 8.5.5.9 Liberty:**
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI58918
--OR–
· Apply Liberty Fix Pack 16.0.0.2 or later.
**
For V8.5.0.0 through 8.5.5.9 Full Profile:**
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI58918

--OR–
· Apply Fix Pack 8.5.5.10 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 PI58918

--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 PI58918

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

Workarounds and Mitigations

none