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AUSCERT External Security Bulletin Redistribution
ESB-2017.0211
Security Bulletin: A vulnerability in Expat XML parser
affects IBM Security Network Protection (CVE-2016-0718)
25 January 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Security Network Protection
Publisher: IBM
Operating System: Network Appliance
Impact/Access: Denial of Service -- Remote/Unauthenticated
Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-0718
Reference: ESB-2016.1250
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21995440
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Security Bulletin: A vulnerability in Expat XML parser affects IBM Security
Network Protection (CVE-2016-0718)
Security Bulletin
Document information
More support for:
IBM Security Network Protection
Software version:
5.3.1, 5.3.2, 5.3.3
Operating system(s):
Firmware
Reference #:
1995440
Modified date:
23 January 2017
Summary
A security vulnerability has been discovered in Expat XML parser, which is
used by IBM Security Network Protection.
Vulnerability Details
CVEID:
CVE-2016-0718
DESCRIPTION:
Expat is vulnerable to a buffer overflow, caused by improper bounds checking
when processing malformed XML data. By using the Expat library, a remote
attacker could overflow a buffer and execute arbitrary code on the system
with the privileges of the victim or cause the application to crash.
CVSS Base Score: 9.8
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/113408
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.2
IBM Security Network Protection 5.3.3
Remediation/Fixes
Product VRMF Remediation/First Fix
IBM Security Network Protection Firmware version 5.3.1 Download Firmware 5.3.1.12 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface.
IBM Security Network Protection Firmware version 5.3.2 Install Firmware 5.3.2.6 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface.
IBM Security Network Protection Firmware version 5.3.3 Install Firmware 5.3.3.2 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector.
Workarounds and Mitigations
None
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References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
23 January 2017: Original Version 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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