CVE-2017-1758 : Security Advisory and Response

IBM Financial Transaction Manager for ACH Services for Multi-Platform is vulnerable to an XML External Entity Injection (XXE) attack, potentially leading to sensitive information exposure or memory resource consumption.

Understanding CVE-2017-1758

What is CVE-2017-1758?

The vulnerability in IBM Financial Transaction Manager affects versions of IBM Control Center, Financial Transaction Manager, and Transformation Extender Advanced, allowing for XML External Entity Injection attacks.

The Impact of CVE-2017-1758

The vulnerability may enable attackers to execute XXE attacks, potentially resulting in the disclosure of sensitive information or excessive memory resource usage.

Technical Details of CVE-2017-1758

Vulnerability Description

The XML data processing feature in IBM Financial Transaction Manager for ACH Services is susceptible to XXE attacks.

Affected Systems and Versions

IBM Control Center versions 6.0, 6.1, 6.1.1
IBM Financial Transaction Manager versions 3.0.2, 3.0.3, 3.0.4, 3.1.0, 3.0.2.0, 3.0.2.1, 3.0.4.0, 3.1.0.0, 3.0.3.0
IBM Transformation Extender Advanced version 9.0

Exploitation Mechanism

Attackers can exploit the vulnerability to execute XXE attacks, potentially leading to information disclosure or memory resource exhaustion.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security patches provided by IBM
Implement network segmentation to limit exposure
Monitor and restrict external XML entities

Long-Term Security Practices

Regularly update and patch software to address vulnerabilities
Conduct security assessments and audits to identify and mitigate risks

Patching and Updates

IBM has released patches to address the vulnerability. Ensure all affected systems are updated with the latest security fixes.