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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.0519
Security Bulletin: IBM Security Access Manager appliances are affected by a
           vulnerability in the Expat XML parser (CVE-2016-0718)
                             24 February 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Security Access Manager for Mobile
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-0718  

Reference:         ASB-2016.0120
                   ASB-2016.0103
                   ESB-2017.0211
                   ESB-2016.2971
                   ESB-2016.2830

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21998991

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Security Bulletin: IBM Security Access Manager appliances are affected by a 
vulnerability in the Expat XML parser (CVE-2016-0718)

Security Bulletin

More support for: IBM Security Access Manager

Software version: 7.0.0, 8.0.0, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5, 
8.0.1, 8.0.1.2, 8.0.1.3, 8.0.1.4, 8.0.1.5, 9.0.0, 9.0.0.1, 9.0.1.0, 9.0.2.0, 
9.0.2.1

Operating system(s): Appliance

Reference #: 1998991

Modified date: 24 February 2017

Summary

A vulnerability has been identified in the Expat XML parser, which affects IBM
Security Access Manager appliances.

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 Access Manager for Web 7.0 appliances, all firmware versions.
IBM Security Access Manager for Web 8.0 appliances, all firmware versions.
IBM Security Access Manager for Mobile 8.0 appliances, all firmware versions.
IBM Security Access Manager 9.0 appliances, all firmware versions.

Remediation/Fixes

IBM has provided patches for all affected versions. Follow the installation 
instructions in the README files included with the patch.

Product 				VRMF 			APAR 		Remediation

IBM Security Access Manager for Web 	7.0 (appliance) 	IV93300 	Apply Interim Fix 29:
					7.0.0-ISS-WGA-IF0029

IBM Security Access Manager for Web 	8.0.0.0 -		IV93197 	1. For versions prior to 8.0.1.5, upgrade to 8.0.1.5:
					8.0.1.5 				8.0.1-ISS-WGA-FP0005
										2. Upgrade to 8.0.1.5 IF 1:
										8.0.1.5-ISS-WGA-IF0001

IBM Security Access Manager for Mobile 	8.0.0.0 -		IV93255 	1. For versions prior to 8.0.1.5, upgrade to 8.0.1.5:
					8.0.1.5 				8.0.1-ISS-ISAM-FP0005
										2. Upgrade to 8.0.1.5 IF 1:
										8.0.1.5-ISS-ISAM-IF0001

IBM Security Access Manager 		9.0 -			IV93197 	1. For versions prior to 9.0.2.1, upgrade to 9.0.2.1:
					9.0.2.1 				9.0.2-ISS-ISAM-FP0001
										2. Upgrade to 9.0.2.1 IF 1:
										9.0.2.1-ISS-ISAM-IF0001

Workarounds and Mitigations

None.

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support 
alerts like this.

References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

February 17, 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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