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AUSCERT External Security Bulletin Redistribution
ESB-2018.3089
Security Bulletin: Potential bypass security vulnerability in Expression
Language library used by WebSphere Application Server (CVE-2014-7810)
11 October 2018
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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: Unauthorised Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2014-7810
Reference: ESB-2016.0793
ESB-2016.0540
ESB-2015.3177
ESB-2015.2739
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10729557
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Security Bulletin: Potential bypass security vulnerability in Expression
Language library used by WebSphere Application Server (CVE-2014-7810)
Document information
More support for: WebSphere Application Server
Software version: 7.0, 8.0, 8.5, 9.0, Liberty
Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Software edition: Advanced, Base, Developer, Enterprise, Express, Liberty,
Network Deployment, Single Server
Reference #: 0729557
Modified date: 10 October 2018
Summary
There is a potential bypass security vulnerability in the expression language
library used by WebSphere Application Server (CVE-2014-7810)
Vulnerability Details
CVEID: CVE-2014-7810
DESCRIPTION: Apache Tomcat could allow a remote attacker to bypass security
restrictions, caused by the use of expression language. An attacker could
exploit this vulnerability to bypass the protections of a Security Manager.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
103155 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)
Affected Products and Versions
This vulnerability affects the following versions and releases of IBM
WebSphere Application Server:
o Liberty
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 APARs 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 PH02063
- --OR--
. Apply Liberty Fix Pack 18.0.0.4 or later (targeted availability 4Q 2018)
For WebSphere Application Server traditional and WebSphere Application Server
Hypervisor Edition:
For V9.0.0.0 through 9.0.0.9:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH02063
- --OR--
. Apply Fix Pack 9.0.0.10 or later (targeted availability 4Q 2018).
For V8.5.0.0 through 8.5.5.14:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH02063
- --OR--
. Apply Fix Pack 8.5.5.15 or later (targeted availability 1Q 2019).
For V8.0.0.0 through 8.0.0.15:
. Upgrade to 8.0.0.15 and then apply Interim Fix PH02063
For V7.0.0.0 through 7.0.0.45:
. Upgrade to 7.0.0.45 and then apply Interim Fix PH02063
WebSphere Application Server V7 and V8 are no longer in full support; IBM
recommends upgrading to a fixed, supported version/release/platform of the
product.
Change History
10 October 2018: 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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