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ESB-2016.0631 - [Appliance] IBM DataPower Gateways: Execute arbitrary code/commands - Remote/unauthenticated

Date: 09 March 2016
References: ESB-2016.0496  ESB-2016.0506  ASB-2016.0017  ESB-2016.0535  ESB-2016.0549  ASB-2016.0020  ESB-2016.0602  ESB-2016.0606  ESB-2016.0632  ESB-2016.0671  


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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0631
          Security Bulletin: GNU C library (glibc) vulnerability
              affects IBM DataPower Gateways (CVE-2015-7547)
                               9 March 2016

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

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

Product:           IBM DataPower Gateways
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-2015-7547  

Reference:         ASB-2016.0020
                   ASB-2016.0017
                   ESB-2016.0606
                   ESB-2016.0602
                   ESB-2016.0549
                   ESB-2016.0535
                   ESB-2016.0506
                   ESB-2016.0496

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21977460

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: GNU C library (glibc) vulnerability affects IBM DataPower 
Gateways (CVE-2015-7547)

Document information

More support for:

IBM DataPower Gateways

Software version:

6.0.0, 6.0.1, 7.0.0, 7.1, 7.2

Operating system(s):

Firmware

Reference #:

1977460

Modified date:

2016-03-08

Security Bulletin

Summary

A GNU C library (glibc) stack-based buffer overflow in getaddrinfo() 
vulnerability affects IBM DataPower Gateways.

Vulnerability Details

CVEID: CVE-2015-7547

DESCRIPTION: GNU C Library (glibc) is vulnerable to a stack-based buffer 
overflow, caused by improper bounds checking by the nss_dns backend for the 
getaddrinfo() function when performing dual A/AAAA DNS queries. By sending a 
specially crafted DNS response, a remote attacker could overflow a buffer and
execute arbitrary code on the system or cause the application to crash.

CVSS Base Score: 8.1

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/110662 for the current 
score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

IBM DataPower Gateway appliances all versions through 6.0.0.18, 6.0.1.14, 
7.0.0.11, 7.1.0.8 and 7.2.0.3

Remediation/Fixes

Fix is available in versions 6.0.0.19, 6.0.1.15, 7.0.0.12, 7.1.0.9 and 
7.2.0.4. Refer to APAR IT13989 for URLs to download the fix.

You should verify applying this fix does not cause any compatibility issues.

For DataPower customers using versions 5.x and earlier versions, IBM 
recommends upgrading to a fixed, supported version/release/platform of the 
product.

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

Acknowledgement

None

Change History

8 March 2016: 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.

- --------------------------END INCLUDED TEXT--------------------

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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===========================================================================
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