Security Bulletin
Summary
There is a remote code execution vulnerability in WebSphere Application Server Network Deployment.
Vulnerability Details
DESCRIPTION: IBM WebSphere Application Server ND could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources.
CVSS Base Score: 9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/160445 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)
Affected Products and Versions
This vulnerability affects the following:
- WebSphere Application Server ND Version 9.0
- WebSphere Application Server ND Version 8.5
- WebSphere Virtual Enterprise 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 ND traditional and WebSphere Application Server ND Hypervisor Edition:
For V9.0.0.0 through 9.0.0.11:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH11655
--OR--
· Apply Fix Pack 9.0.5.0 or later (targeted availability 2Q 2019).
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 PH11655
--OR--
· Apply Fix Pack 8.5.5.16 or later (targeted availability 3Q2019).
For WebSphere Virtual Enterprise Edition:
For V7.0:
· Apply Interim Fix PH11655
WebSphere Virtual Enterprise V7 is 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 Ryan Wincey
Change History
15 May 2019: original document published
16 May 2019: updated 9.0.0.12 to 9.0.5.0 to reflect new numbering
*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.
Document Location
Worldwide
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Document Information
Modified date:
02 July 2019
UID
ibm10883628