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AUSCERT External Security Bulletin Redistribution
ESB-2020.1292
Security Bulletin: Privilege Escalation Vulnerability in
WebSphere Application Server
14 April 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere Application Server
Publisher: IBM
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
HP-UX
AIX
IBM i
Solaris
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-4362
Original Bulletin:
https://www.ibm.com/support/pages/node/6174417
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Security Bulletin: Privilege Escalation Vulnerability in WebSphere Application
Server (CVE-2020-4362)
Security Bulletin
Summary
There is a privilege escalation vulnerability in WebSphere Application Server.
This has been addressed.
Vulnerability Details
CVEID: CVE-2020-4362
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/
178929 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|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 9.0.5.3:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH23853.
- --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 PH23853.
- --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 PH23853.
For V7.0.0.0 through 7.0.0.45:
. Upgrade to 7.0.0.45 and then apply Interim Fix PH23853.
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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References
Complete CVSS v3 Guide
On-line Calculator v3
Off
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Acknowledgement
The vulnerability was reported to IBM by Noxxx at Chaitin Tech
Change History
09 Apr 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF
ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
Document Information
More support for:
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
Software edition:
Advanced,Base,Developer,Enterprise,Express,Network Deployment,Single Server
Document number:
6174417
Modified date:
09 April 2020
UID
ibm16174417
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