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AUSCERT External Security Bulletin Redistribution
ESB-2019.3426
Security Bulletin: Path traversal vulnerability in WebSphere
Application Server Admin Console (CVE-2019-4442)
10 September 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Application Server
Publisher: IBM
Operating System: AIX
HP-UX
IBM i
Linux variants
Solaris
Windows
z/OS
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-4442
Original Bulletin:
https://www.ibm.com/support/pages/security-bulletin-path-traversal-vulnerability-websphere-application-server-admin-console-cve-2019-4442
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Security Bulletin: Path traversal vulnerability in WebSphere Application Server
Admin Console (CVE-2019-4442)
Document Information
More support for:
WebSphere Application Server
Software version:
9.0, 8.5, 8.0, 7.0
Operating system(s):
AIX; HP-UX; IBM i; Linux; Solaris; Windows; z/OS
Software edition:
Advanced, Base, Developer, Enterprise, Express, Network Deployment, Single Server
Reference #:
959021
Security Bulletin
Summary
There is a path traversal vulnerability in the Admin Console of WebSphere
Application Server.
Vulnerability Details
CVEID: CVE-2019-4442
DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to
traverse directories on the file system. An attacker could send a
specially-crafted URL request to view arbitrary files on the system but not
content.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
163226 for the current score
CVSS Environmental Score*: Undefined
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
This vulnerability affects the following versions and releases of IBM WebSphere
Application Server:
o Version 9.0
o Version 8.5
o Version 8.0
o Version 7.0
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 traditional and WebSphere Application Server
Hypervisor Edition:
For V9.0.0.0 through 9.0.5.1:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH14404
- --OR--
. Apply Fix Pack 9.0.5.2 or later (targeted availability 4Q2018).
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 PH14404
- --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 Fix Pack 8.0.0.15 and then apply Interim Fix PH14404
For V7.0.0.0 through 7.0.0.45:
. Upgrade to Fix Pack 7.0.0.45 and then apply Interim Fix PH14404
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.
Get Notified about Future Security Bulletins
Subscribe to My Notifications to be notified of important product support
alerts like this.
Important Note
IBM strongly suggests that all System z customers be subscribed to the System z
Security Portal to receive the latest critical System z security and integrity
service. If you are not subscribed, see the instructions on the System z
Security web site. Security and integrity APARs and associated fixes will be
posted to this portal. IBM suggests reviewing the CVSS scores and applying all
security or integrity fixes as soon as possible to minimize any potential risk.
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 Jay Zhang
Change History
09 September 2019: original document published
*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.
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