ESB-2018.0311 - [Appliance] IBM DataPower Gateways: Provide misleading information - Remote/unauthenticated 2018-01-31

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0311
         Security Bulletin: Reuse of Source Port in DataPower DNS
                          queries (CVE-2017-1773)
                              31 January 2018

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

Product:           IBM DataPower Gateways
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Provide Misleading Information -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1773  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22012758

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Document information

More support for: IBM DataPower Gateways

Software version: 7.1, 7.2, 7.5, 7.5.1, 7.5.2, 7.6

Operating system(s): Firmware

Software edition: Edition Independent

Reference #: 2012758

Modified date: 30 January 2018


Summary

IBM DataPower Gateway may re-use the source port in DNS lookups. IBM has
addressed the applicable CVE


Vulnerability Details

Relevant CVE Information:

CVEID: CVE-2017-1773

DESCRIPTION: IBM WebSphere DataPower Appliances could allow an attacker using
man-in-the-middle techniques to spoof DNS responses to perform DNS cache
poisoning and redirect Internet traffic.

CVSS Base Score: 3.7

CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/136817 for the current
score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

DataPower versions 7.1.0.0-7.1.0.20, 7.2.0.0-7.2.0.17, 7.5.0.0-7.5.0.11,
7.5.1.0-7.5.1.10, 7.5.2.0-7.5.2.10 and 7.6.0.0-7.6.0.3


Remediation/Fixes

Fix is available in versions 7.1.0.21, 7.2.0.18, 7.5.0.12, 7.5.1.11, 7.5.2.11,
7.6.0.4. Refer to APAR IT23417 for URLs to download the fix.


Workarounds and Mitigations

None


Additional Bluemix Alert Information

Monitor the Bluemix console (https://console.ng.bluemix.net/status/) for
additional important product alerts.


Change History

January 31 2018: 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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