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Security Bulletin: Remote code execution vulnerability in WebSphere Application Server ND (CVE-2020-4448)

Security Bulletin


Summary

There is a remote code execution vulnerability in WebSphere Application Server Network Deployment. This has been addressed.

Vulnerability Details

CVEID:   CVE-2020-4448
DESCRIPTION:   IBM WebSphere Application Server Network Deployment 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: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181228 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
WebSphere Application Server ND 9.0
WebSphere Application Server ND 8.5
WebSphere Virtual Enterprise 8.0
WebSphere Virtual Enterprise 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 9.0.5.3:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH25216
--OR--
· Apply Fix Pack 9.0.5.4 or later (targeted availability 2Q2020). 

For V8.5.0.0 through 8.5.5.17:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH25216
--OR--
· Apply Fix Pack 8.5.5.18 or later (targeted availability 3Q2020).

For WebSphere Virtual Enterprise Edition:

For V8.0:
· Apply Interim Fix PH25216 

For V7.0:
· Apply Interim Fix PH25216

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

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

The vulnerability was reported to IBM by b0yd working with Trend Micro Zero Day Initiative

Change History

04 June 2020: Initial Publication

*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

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"},{"code":"PF035","label":"z\/OS"}],"Version":"7.0, 8.0, 8.5, 9.0","Edition":"Advanced,Base,Developer,Enterprise,Express,Network Deployment,Single Server","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
08 June 2020

UID

ibm16220336

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