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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.0983
         Security Bulletin: Access Manager Client in IBM DataPower
           Gateways is vulnerable to a denial of service attack.
                               18 April 2017

===========================================================================

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

Product:           IBM DataPower Gateways
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-2016-3706  

Reference:         ESB-2017.0768
                   ESB-2017.0019
                   ESB-2017.0017
                   ESB-2016.2898
                   ESB-2016.2518

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22001789

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Security Bulletin: Access Manager Client in IBM DataPower Gateways is
vulnerable to a denial of service attack.

Security Bulletin

Document information

More support for:

IBM DataPower Gateways

Software version:

7.1, 7.2, 7.5, 7.5.1, 7.5.2

Operating system(s):

Firmware

Reference #:

2001789

Modified date:

17 April 2017

Summary

IBM DataPower Gateways has addressed a vulnerability in the ISAM Access
Manager Client component that could cause a denial of service.

Vulnerability Details

CVEID:

CVE-2016-3706

DESCRIPTION:

GNU C Library (glibc or libc6) is vulnerable to a denial of service, caused
by a stack-based buffer overflow by the getaddrinfo function within
sysdeps/posix/getaddrinfo.c. A remote attacker could exploit this
vulnerability to cause the application to crash.

CVSS Base Score: 5.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/114123

for the current score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM DataPower Gateways appliances versions 7.1.0.0-7.1.0.15,
7.2.0.0-7.2.0.12, 7.5.0.0-7.5.0.6, 7.5.1.0-7.5.1.5, 7.5.2.0-7.5.2.4

Remediation/Fixes

Product			VRMF			APAR		Remediation/First Fix
IBM DataPower Gateway	7.1.0.0-7.1.0.15	IT20143		Apply firmware 7.1.0.16
IBM DataPower Gateway	7.2.0.0-7.2.0.12	IT20143		Apply firmware 7.2.0.13
IBM DataPower Gateway	7.5.0.0-7.5.0.6		IT20143		Apply firmware 7.5.0.7
IBM DataPower Gateway	7.5.1.0 - 7.5.1.5	IT20143		Apply firmware 7.5.1.6
IBM DataPower Gateway	7.5.2.0 - 7.5.2.4	IT20143		Apply firmware 7.5.2.5

Refer to APAR IT20143 or URLs to download the fix.
You should verify applying this fix does not cause any compatibility issues.

For DataPower customers using versions 6.x and earlier versions, IBM
recommends upgrading to a fixed, supported version/release/platform of the
product.

Workarounds and Mitigations

None

References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

17 April 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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