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AUSCERT External Security Bulletin Redistribution
ESB-2019.1483
Multiple Security Vulnerabilities Affect IBM WebSphere
Application Server for IBM Cloud Private VM Quickstarter
1 May 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere Application Server in IBM Cloud
Publisher: IBM
Operating System: Linux variants
Impact/Access: Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-4046 CVE-2018-1902
Reference: ESB-2019.1307
ESB-2019.1289
ESB-2019.1241
ESB-2019.1240
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10879109
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Multiple Security Vulnerabilities Affect IBM WebSphere Application Server for
IBM Cloud Private VM Quickstarter
Product: WebSphere Application Server in IBM Cloud
Software version: All Versions
Operating system(s): Linux
Reference #: 0879109
Security Bulletin
Summary
There are multiple security vulnerabilities that affect the IBM WebSphere
Application Server for IBM Cloud Private VM Quickstarter.
There is a potential spoofing vulnerability in IBM WebSphere Application
Server. There is a potential denial of service vulnerability in WebSphere
Application Server.
Vulnerability Details
CVEID: CVE-2018-1902
DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to
spoof connection information which could be used to launch further attacks
against the system.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152531
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N)
CVEID: CVE-2019-4046
DESCRIPTION: IBM WebSphere Application Server is vulnerable to a denial of
service, caused by improper handling of request headers. A remote attacker
could exploit this vulnerability to cause the consumption of Memory.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
156242 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
These vulnerabilities affect the following versions and releases of IBM
WebSphere Application Server for IBM Cloud Private VM Quickstarter
o 2.0
Remediation/Fixes
For more information on the vulnerabilities refer to the IBM WebSphere
Application Server bulletins listed below
o Potential Spoofing vulnerability in WebSphere Application Server
(CVE-2018-1902)
o Potential denial of service vulnerability in WebSphere Application Server
(CVE-2019-4046)
To obtain these changes for your installation, upgrade IBM WebSphere
Application Server for IBM Cloud Private VM Quickstarter to version 3.0 or
higher. The service procedure can be found here:
o Upgrading your installation
Change History
29 April 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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