Security Bulletin: Information disclosure in WebSphere Application Server Liberty (CVE-2018-1755)

Summary

There is a potential information disclosure vulnerability in WebSphere Application Server Liberty.

Vulnerability Details

CVEID: CVE-2018-1755 DESCRIPTION: WebSphere Application Server Liberty could allow a remote attacker to obtain sensitive information, caused by incorrect transport being used when Liberty is configured to use Java Authentication SPI for Containers (JASPIC). This can happen when the Application Server is configured to permit access on non-secure (http) port and using JASPIC or JSR375 authentication.
CVSS Base Score: 5.9
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148597&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/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 APARs PH01295 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 PH01295
--OR–
· Apply Liberty Fix Pack 18.0.0.3 or later.