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AUSCERT External Security Bulletin Redistribution
ESB-2020.1972
Security Bulletin: WebSphere Application Server is vulnerable to a remote
code execution vulnerability (CVE-2020-4450)
5 June 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere Application Server
Publisher: IBM
Operating System: AIX
HP-UX
IBM i
Linux variants
Solaris
Windows
z/OS
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-4450
Original Bulletin:
https://www.ibm.com/support/pages/node/6220294
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WebSphere Application Server is vulnerable to a remote code execution
vulnerability (CVE-2020-4450)
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 WebSphere Application Server traditional and WebSphere Application Server
Hypervisor Edition:
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
None
Get Notified about Future Security Bulletins
References
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