ESB-2018.0974 - [Appliance] IBM DataPower Gateways: Multiple vulnerabilities 2018-04-03

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0974
       DataPower vulnerable to XML External Entity Injection attack
                       (CVE-2018-1421) (2018.04.02)
                               3 April 2018

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

Product:           IBM DataPower Gateways
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Denial of Service        -- Remote/Unauthenticated
                   Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1421  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22015055

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Security Bulletin: DataPower vulnerable to XML External Entity Injection attack
(CVE-2018-1421)

CVE-2018-1421

Security Bulletin

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 #: 2015055

Modified date: 02 April 2018

Summary

DataPower is vulnerable to an XMLExternal Entity Injection attack from a
low-privileged DataPower account. IBM has addressed the applicable CVE

Vulnerability Details

CVEID: CVE-2018-1421
DESCRIPTION: IBM WebSphere DataPower Appliances is vulnerable to a XML External
Entity Injection (XXE) attack when processing XML data. A remote attacker could
exploit this vulnerability to expose sensitive information or consume memory
resources.
CVSS Base Score: 7.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
139023 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)

Affected Products and Versions

DataPower versions 7.1.0.0-7.1.0.21, 7.2.0.0-7.2.0.18, 7.5.0.0-7.5.0.13,
7.5.1.0-7.5.1.12, 7.5.2.0-7.5.2.12, 7.6.0.0-7.6.0.5

Remediation/Fixes

Fix is available in versions 7.1.0.22, 7.2.0.19, 7.5.0.14, 7.5.1.13, 7.5.2.13,
7.6.0.6. Refer to APAR IT23854 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.

References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

The vulnerability was reported to IBM by Mosje Mizrahi

Change History

March 27 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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