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CVE-2020-4729 : Exploit Details and Defense Strategies

Learn about CVE-2020-4729 affecting IBM Counter Fraud Management for Safer Payments. Find out the impact, affected versions, and mitigation steps to prevent a denial of service attack.

IBM Counter Fraud Management for Safer Payments versions 5.7.0.00 through 5.7.0.10, 6.0.0.00 through 6.0.0.07, 6.1.0.00 through 6.1.0.05, and 6.2.0.00 through 6.2.1.00 could allow an authenticated attacker to crash the application.

Understanding CVE-2020-4729

This CVE involves a vulnerability in IBM Counter Fraud Management for Safer Payments that could be exploited by an authenticated attacker to cause a denial of service.

What is CVE-2020-4729?

The vulnerability in IBM Safer Payments allows an authenticated attacker, under specific conditions, to send crafted API requests that may lead to application crashes.

The Impact of CVE-2020-4729

The impact of this vulnerability is rated as MEDIUM severity with a CVSS base score of 5.3. The attack complexity is considered HIGH, and the availability impact is HIGH.

Technical Details of CVE-2020-4729

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in IBM Counter Fraud Management for Safer Payments versions 5.7.0.00 through 5.7.0.10, 6.0.0.00 through 6.0.0.07, 6.1.0.00 through 6.1.0.05, and 6.2.0.00 through 6.2.1.00 could allow an authenticated attacker to crash the application by sending specially crafted API requests.

Affected Systems and Versions

        IBM Counter Fraud Management for Safer Payments 5.7.0.00 through 5.7.0.10
        IBM Counter Fraud Management for Safer Payments 6.0.0.00 through 6.0.0.07
        IBM Counter Fraud Management for Safer Payments 6.1.0.00 through 6.1.0.05
        IBM Counter Fraud Management for Safer Payments 6.2.0.00 through 6.2.1.00

Exploitation Mechanism

The vulnerability can be exploited by an authenticated attacker who sends multiple specially crafted API requests to the application, triggering a crash.

Mitigation and Prevention

To address CVE-2020-4729, follow these mitigation steps:

Immediate Steps to Take

        Apply the necessary security patches provided by IBM.
        Monitor and restrict API requests to prevent malicious exploitation.

Long-Term Security Practices

        Regularly update and patch the IBM Counter Fraud Management for Safer Payments software.
        Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Ensure that you regularly check for updates and patches released by IBM to address this vulnerability.

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