Security Bulletin
Summary
WebSphere Application Server is vulnerable to a remote code execution vulnerability. This has been addressed.
Vulnerability Details
CVEID: CVE-2020-4450
DESCRIPTION: IBM WebSphere Application Server traditional could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181231 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 | 9.0 |
WebSphere Application Server | 8.5 |
Remediation/Fixes
For V9.0.0.0 through 9.0.5.4:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH25074
--OR--
· Apply Fix Pack 9.0.5.5 or later (targeted availability 3Q2020).
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 PH25074
--OR--
· Apply Fix Pack 8.5.5.18 or later (targeted availability 3Q2020).
Additional interim fixes may be available and linked off the interim fix download page.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Acknowledgement
The vulnerability was reported to IBM by tint0 working with Trend Micro Zero Day Initiative and Kylinking of NSFOCUS Security Team
Change History
04 June 2020: Initial Publication
15 July 2020: Ifixes added for versions 9.0.0.9 - 9.0.0.11 and 8.5.5.12 - 8.5.5.15
*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:
15 July 2020
UID
ibm16220294