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AUSCERT External Security Bulletin Redistribution
ESB-2020.1453
Security Bulletin: Information disclosure in WebSphere
Application Server (CVE-2020-4329)
28 April 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere Application Server
Publisher: IBM
Operating System: Windows
Linux variants
AIX
HP-UX
Solaris
IBM i
z/OS
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-4329
Original Bulletin:
https://www.ibm.com/support/pages/node/6201862
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Information disclosure in WebSphere Application Server (CVE-2020-4329)
Document Information
Product: WebSphere Application Server
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: 6201862
Modified date: 27 April 2020
Security Bulletin
Summary
Information disclosure in WebSphere Application Server. This has been
addressed.
Vulnerability Details
CVEID: CVE-2020-4329
DESCRIPTION: IBM WebSphere Application Server could allow a remote,
authenticated attacker to obtain sensitive information, caused by improper
parameter checking. This could be exploited to conduct spoofing attacks.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
177841 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
Affected Products and Versions
+------------------------------------+-------------------+
|Affected Product(s) |Version(s) |
+------------------------------------+-------------------+
|WebSphere Application Server Liberty|17.0.0.3 - 20.0.0.4|
+------------------------------------+-------------------+
|WebSphere Application Server |9.0 |
+------------------------------------+-------------------+
|WebSphere Application Server |7.0 |
+------------------------------------+-------------------+
|WebSphere Application Server |8.0 |
+------------------------------------+-------------------+
|WebSphere Application Server |8.5 |
+------------------------------------+-------------------+
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 Liberty:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH20847
- --OR--
. Apply Fix Pack 20.0.0.5 or later (targeted availability 2Q2020).
For WebSphere Application Server traditional and WebSphere Application Server
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 PH20847 .
- --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 PH20847 .
- --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 PH20847 .
For V7.0.0.0 through 7.0.0.45:
. Upgrade to 7.0.0.45 and then apply Interim Fix PH20847 .
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
- --------------------------END INCLUDED TEXT--------------------
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