Security Bulletin: Potential bypass security vulnerability in Expression Language library used by WebSphere Application Server (CVE-2014-7810)

Summary

There is a potential bypass security vulnerability in the expression language library used by WebSphere Application Server (CVE-2014-7810)

Vulnerability Details

CVEID: CVE-2014-7810 DESCRIPTION: Apache Tomcat could allow a remote attacker to bypass security restrictions, caused by the use of expression language. An attacker could exploit this vulnerability to bypass the protections of a Security Manager.
CVSS Base Score: 5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/103155&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)

Affected Products and Versions

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

• Liberty
• Version 9.0
• Version 8.5
• Version 8.0
• Version 7.0

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF containing the APARs 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 PH02063
--OR–
· Apply Liberty Fix Pack 18.0.0.4 or later.

For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition:

For V9.0.0.0 through 9.0.0.9:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH02063
--OR–
· Apply Fix Pack 9.0.0.10 or later.

For V8.5.0.0 through 8.5.5.14:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH02063
--OR–
· Apply Fix Pack 8.5.5.15 or later.

For V8.0.0.0 through 8.0.0.15:
· Upgrade to 8.0.0.15 and then apply Interim Fix PH02063

For V7.0.0.0 through 7.0.0.45:
· Upgrade to 7.0.0.45 and then apply Interim Fix PH02063

_WebSphere Application Server V7 and V8 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. _