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Security Bulletin: Potential denial of service in WebSphere Application Server (CVE-2018-10237)

Security Bulletin


Summary

There is a potential denial of service with the Google Guava library that is used in WebSphere Application Server.

Vulnerability Details

CVEID: CVE-2018-10237
DESCRIPTION: Google Guava is vulnerable to a denial of service, caused by improper eager allocation checks in the AtomicDoubleArray and CompoundOrdering class. By sending a specially-crafted data, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/142508 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/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:

  • WebSphere Application Server Liberty
  • WebSphere Application Server Traditional  Version 9
  • WebSphere Application Server Traditional Version 8.5

Remediation/Fixes

The recommended solution is to apply the interim fix, or Fix Pack 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  PH07297
--OR--
· Apply Fix Pack 19.0.0.1 or later (targeted availability 1Q2019).

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  PH07297
--OR--
· Apply Fix Pack 9.0.0.11 or later (targeted availability 2Q2019)
 

For V8.5.0.0 through 8.5.5.14 using Java SE 6:
· Refer to the following note:  Java SE 6 end of service  

For V8.5.0.0 through 8.5.5.14 using Java SE 7  or later:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix  PH07297
--OR--
· Apply Fix Pack 8.5.5.16 or later  (targeted availability 4Q2019)


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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

05 February 2019: original document published
24 March 2019: some interim fixes were updated - refer to APAR link in remediation section

*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.


Cross reference information
Product Component Platform Version Edition
WebSphere Application Server AIX, HP-UX, IBM i, Solaris, Windows, z/OS 9.0, 8.0 Advanced, Base, Developer, Enterprise, Express, Network Deployment, Single Server

Document information

More support for: WebSphere Application Server Liberty Core

Software version: All Versions

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

Software edition: Liberty

Reference #: 0795696

Modified date: 25 March 2019