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

Summary

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

Vulnerability Details

CVEID: CVE-2018-1421**
DESCRIPTION:** IBM DataPower Gateways 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

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

The vulnerability was reported to IBM by Moshe 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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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