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AUSCERT External Security Bulletin Redistribution
ESB-2020.2439
Security Bulletin: WebSphere Application Server is vulnerable to a remote
code execution vulnerability (CVE-2020-4464)
17 July 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 -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-4464
Original Bulletin:
https://www.ibm.com/support/pages/node/6250059
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WebSphere Application Server is vulnerable to a remote code execution
vulnerability (CVE-2020-4464)
Document Information
Software version:
7.0, 8.0, 8.5, 9.0
Operating system(s):
AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Document number:
6250059
Modified date:
16 July 2020
Security Bulletin
Summary
WebSphere Application Server is vulnerable to a remote code execution
vulnerability. This has been addressed.
Vulnerability Details
CVEID: CVE-2020-4464
DESCRIPTION: IBM WebSphere Application Server traditional could allow a remote
attacker to execute arbitrary code on a system with a specially-crafted
sequence of serialized objects over the SOAP connector.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
181489 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/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 |
+----------------------------+----------+
|WebSphere Application Server|8.0 |
+----------------------------+----------+
|WebSphere Application Server|7.0 |
+----------------------------+----------+
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 PH26952
- --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 PH26952
- --OR--
. Apply Fix Pack 8.5.5.18 or later (targeted availability 3Q2020).
For V8.0.0.0 through 8.0.0.15:
. Upgrade to 8.0.0.15 and then apply Interim Fix PH26952
For V7.0.0.0 through 7.0.0.45:
. Upgrade to 7.0.0.45 and then apply Interim Fix PH26952
Additional interim fixes may be available and linked off the interim fix
download page.
WebSphere Application Server V7.0 and V8.0 are no longer in full support; IBM
recommends upgrading to a fixed, supported version/release/platform of the
product.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
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