Security Bulletin: Information Disclosure in WebSphere Application Server (CVE-2018-1621)

Security Bulletin

Summary

There is a potential Information disclosure vulnerability in WebSphere Application Server.

Vulnerability Details

CVEID: CVE-2018-1621
DESCRIPTION: IBM WebSphere Application Server could allow a local attacker to obtain clear text password in a trace file caused by improper handling of some datasource custom properties.
CVSS Base Score: 4.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/144346 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/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:

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 APARs PI98140 for each named product as soon as practical.

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

For V9.0.0.0 through 9.0.0.7:
· Upgrade to minimal fix pack levels as required by interim fixes and then apply Interim Fix PI98140
--OR--
· Apply Fix Pack 9.0.0.8 or later.

For V8.5.0.0 through 8.5.5.13:
· Upgrade to minimal fix pack levels as required by interim fixes and then apply Interim Fix PI98140
--OR--
· Apply Fix Pack 8.5.5.14 or later.

For V8.0.0.0 through 8.0.0.15:
· Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI98140

For V7.0.0.0 through 7.0.0.45:
· Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI98140

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.

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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

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Change History

28 June 2018: 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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Tips

Security Bulletin: Information Disclosure in WebSphere Application Server (CVE-2018-1621)