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AUSCERT External Security Bulletin Redistribution
ESB-2020.1064
Privilege Escalation Vulnerability in WebSphere Application
Server (CVE-2020-4276)
26 March 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere Application Server
Publisher: IBM
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-4276
Original Bulletin:
https://www.ibm.com/support/pages/node/6118222
- --------------------------BEGIN INCLUDED TEXT--------------------
Privilege Escalation Vulnerability in WebSphere Application Server
(CVE-2020-4276)
Security Bulletin
Summary
There is a privilege escalation vulnerability in WebSphere Application Server.
Vulnerability Details
CVEID: CVE-2020-4276
DESCRIPTION: IBM WebSphere Application Server traditional is vulnerable to a
privilege escalation vulnerability when using token-based authentication in an
admin request over the SOAP connector.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
175984 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/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|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 9.0.5.3:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH21511
- --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 PH21511
- --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 PH21511
For V7.0.0.0 through 7.0.0.45:
. Upgrade to 7.0.0.45 and then apply Interim Fix PH21511
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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