Security Bulletin: Financial Transaction Manager for ACH Services and Corporate Payment Services has a potential XML External Entity vulnerability (CVE-2017-1758)

Security Bulletin

Summary

Financial Transaction Manager (FTM) for ACH Services and FTM for Corporate Payment Services (CPS) has addressed a potential XML External Entity vulnerability. For some web services, if the request is intercepted and modified, the XML payload could take advantage of XML External Entity Injection to cause denial of service.

Vulnerability Details

CVEID: CVE-2017-1758
DESCRIPTION: IBM Financial Transaction Manager for ACH Services for Multi-Platform 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/135859 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

- FTM for ACH Services v3.0.2, v3.0.3, v3.0.4, v3.1.0

- FTM for CPS v3.0.2

Remediation/Fixes

Product	VRMF	APAR	Remediation/First Fix
FTM for ACH Services	3.0.2 3.0.3 3.0.4.0 3.1.0	PI92266	3.0.2 apply 3.0.2.1-FTM-ACH-MP-iFix0009 or later. 3.0.3 apply 3.0.3.0-FTM-ACH-MP-iFix0005 or later. 3.0.4 apply 3.0.4.1-FTM-ACH-MP-iFix0001 or later. 3.1.0 apply 3.1.0-FTM-ACH-MP-fp0001 or later.
FTM for CPS	3.0.2	PI92266	3.0.2 apply 3.0.2.1-FTM-CPS-MP-iFix0009 or later.

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

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Acknowledgement

None

Change History

19 February 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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Tips

Security Bulletin: Financial Transaction Manager for ACH Services and Corporate Payment Services has a potential XML External Entity vulnerability (CVE-2017-1758)