Security Bulletin: Cross-site scripting vulnerability in IBM WebSphere Application Server (CVE-2016-0283)

Summary

There is a cross-site scripting vulnerability in WebSphere Application Server Liberty when using the OpenID Connect (OIDC) client.

Vulnerability Details

CVEID: CVE-2016-0283**
DESCRIPTION:** IBM WebSphere Application Server is vulnerable to cross-site scripting in the OIDC client web application caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVSS Base Score: 6.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111229 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 Liberty Profile

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI58003 for each named product as soon as practical. **

For WebSphere Application Server:** **
For V8.5.0.0 through 8.5.5.8 Liberty Profile:**
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI58003
--OR–
· Apply Fix Pack 8.5.5.9 or later.

Workarounds and Mitigations

none