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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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