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AUSCERT External Security Bulletin Redistribution
ESB-2020.0817
WebSphere Application Server is vulnerable to a command
execution vulnerability (CVE-2020-4163)
5 March 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere Application Server
Publisher: IBM
Operating System: Linux variants
HP-UX
AIX
IBM i
Solaris
Windows
z/OS
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-4163
Reference: ESB-2020.0455
Original Bulletin:
https://www.ibm.com/support/pages/node/1288786
- --------------------------BEGIN INCLUDED TEXT--------------------
Security Bulletin: WebSphere Application Server is vulnerable to a command
execution vulnerability (CVE-2020-4163)
Security Bulletin
Summary
WebSphere Application Server is vulnerable to a command execution
vulnerability. This has been addressed.
Vulnerability Details
CVEID: CVE-2020-4163
DESCRIPTION: IBM WebSphere Application Server, under specialized conditions,
could allow an authenticated user to create a maliciously crafted file name
which would be misinterpreted as jsp content and executed.
CVSS Base score: 6.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
174397 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/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|7.0 |
+----------------------------+----------+
|WebSphere Application Server|8.0 |
+----------------------------+----------+
|WebSphere Application Server|8.5 |
+----------------------------+----------+
Remediation/Fixes
For WebSphere Application Server traditional and WebSphere Application Server
Hypervisor Edition:
For V9.0.0.0 through 9.0.5.2:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH20785
- --OR--
. Apply Fix Pack 9.0.5.3 or later (targeted availability 1Q2020).
For V8.5.0.0 through 8.5.5.16:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH20785
- --OR--
. Apply Fix Pack 8.5.5.17 or later (targeted availability 1Q2020).
For V8.0.0.0 through 8.0.0.15:
. Upgrade to 8.0.0.15 and then apply Interim Fix PH20785
For V7.0.0.0 through 7.0.0.45:
. Upgrade to 7.0.0.45 and then apply Interim Fix PH20785
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
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