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Security Bulletin: Potential denial of service in WebSphere Application Server Admin Console (CVE-2019-4080)

Security Bulletin


Summary

There is a potential denial of service in the Admin Console of WebSphere Application Server.

Vulnerability Details

CVEID: CVE-2019-4080
DESCRIPTION: IBM WebSphere Application Server Admin Console is vulnerable to a potential denial of service, caused by improper parameter parsing. A remote attacker could exploit this to consume all available CPU resources.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/157380 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

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 the APAR 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 9.0.0.10:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH07676
--OR--
· Apply Fix Pack 9.0.0.11 or later (targeted availability 2Q2019).

For V8.5.0.0 through 8.5.5.15:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH07676
--OR--
· Apply Fix Pack 8.5.5.16 or later (targeted availability 3Q2019).

For V8.0.0.0 through 8.0.0.15:
· Upgrade to Fix Pack 8.0.0.15 and then apply Interim Fix PH07676

For V7.0.0.0 through 7.0.0.45:
· Upgrade to Fix Pack 7.0.0.45 and then apply Interim Fix PH07676

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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Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

26 March 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.

Document information

More support for: WebSphere Application Server

Software version: 7.0, 8.0, 8.5, 9.0

Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS

Software edition: Advanced, Base, Developer, Enterprise, Express, Network Deployment, Single Server

Reference #: 0875692

Modified date: 26 March 2019