CVE-2021-44500 : What You Need to Know

An issue in FIS GT.M through V7.0-000 allows attackers to crash the application by performing a divide by zero.

Understanding CVE-2021-44500

This CVE involves a lack of input validation leading to a crash in FIS GT.M.

What is CVE-2021-44500?

The vulnerability in FIS GT.M allows attackers to exploit a divide by zero situation, resulting in a crash.

The Impact of CVE-2021-44500

The vulnerability enables attackers to crash the application, potentially leading to denial of service.

Technical Details of CVE-2021-44500

This section delves into the specific technical aspects of the vulnerability.

Vulnerability Description

A lack of input validation in calls to eb_div in sr_port/eb_muldiv.c can be exploited by attackers to crash the application by causing a divide by zero.

Affected Systems and Versions

Product: FIS GT.M
Version: through V7.0-000

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating calls to eb_div in the specified code, triggering a divide by zero scenario.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2021-44500.

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Implement input validation mechanisms in the application to prevent such vulnerabilities.

Long-Term Security Practices

Conduct regular security audits and code reviews to catch similar issues in the future.

Patching and Updates

Stay informed about security updates from FIS GT.M and apply them promptly to mitigate the vulnerability.