IBM Support

Security Bulletin: Information disclosure vulnerability in WebSphere Application Server (CVE-2019-4441)

Security Bulletin


Summary

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

Vulnerability Details

CVEID: CVE-2019-4441
DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to obtain sensitive information when a stack trace is returned in the browser.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/163177 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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 APAR for each named product as soon as practical.

For WebSphere Application Server Liberty using jsp-2.2 or jsp-2.3:

· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH13983
--OR--
· Apply Fix Pack 19.0.0.11 or later (targeted availability 4Q2019).

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

For V9.0.0.0 through 9.0.5.1:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH13983
--OR--
· Apply Fix Pack 9.0.5.2 or later (targeted availability 4Q2019).

For V8.5.0.0 through 8.5.5.16:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH13983
--OR--
· Apply Fix Pack 8.5.5.17 or later (targeted availability 1Q2020).

For V8.0.0.0 through 8.0.0.15:
· Upgrade to 8.0.0.15 and then apply Interim Fix PH13983
 

For V7.0.0.0 through 7.0.0.45:
· Upgrade to 7.0.0.45 and  then apply Interim Fix PH13983
 

WebSphere Application Server V7.0 and V8.0 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

The vulnerability was reported to IBM by Lukasz Plonka

Change History

01 October 2019: 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

[{"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"},{"code":"PF035","label":"z/OS"}],"Version":"9.0;8.5;8.0;7.0","Edition":"Advanced;Base;Developer;Enterprise;Express;Network Deployment;Single Server;Liberty"},{"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Product":{"code":"SSD28V","label":"WebSphere Application Server Liberty Core"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"},{"code":"PF035","label":"z/OS"}],"Version":"","Edition":"Liberty"}]

Document Information

Modified date:
24 November 2019

UID

ibm10959023