Security Bulletin
Summary
There is a potential remote code execution vulnerability in WebSphere Application Server (CVE-2018-1904)
Vulnerability Details
CVEID: CVE-2018-1904
DESCRIPTION: IBM WebSphere Application Server could allow remote attackers to execute arbitrary Java code through an administrative client class with a serialized object from untrusted sources.
CVSS Base Score: 8.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152533 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:H/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 9.0.0.9:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH04060
--OR--
· Apply Fix Pack 9.0.0.10 or later.
For V8.5.0.0 through 8.5.5.14:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH04060
--OR--
· Apply Fix Pack 8.5.5.15 or later.
For V8.0.0.0 through 8.0.0.15:
· Upgrade to 8.0.0.15 and then apply Interim Fix PH04060
For V7.0.0.0 through 7.0.0.45:
· Upgrade to 7.0.0.45 and then apply Interim Fix PH04060
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
Acknowledgement
The vulnerability was reported to IBM by noxxx of Chaitin Tech
Change History
10 December 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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Document Information
Modified date:
06 March 2019
UID
ibm10738735