CVE-2021-44508 : Security Advisory and Response

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base) where a lack of NULL checks in calls to ious_open allows attackers to crash the application by dereferencing a NULL pointer.

Understanding CVE-2021-44508

This CVE-2021-44508 pertains to a vulnerability in FIS GT.M through V7.0-000 related to the YottaDB code base.

What is CVE-2021-44508?

This CVE describes an issue in FIS GT.M that allows attackers to crash the application by exploiting a lack of NULL checks in certain calls.

The Impact of CVE-2021-44508

The vulnerability can lead to application crashes due to the improper handling of NULL pointers, potentially enabling attackers to disrupt services.

Technical Details of CVE-2021-44508

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from missing NULL checks in calls to ious_open within sr_unix/ious_open.c in the FIS GT.M application.

Affected Systems and Versions

The issue affects FIS GT.M through version V7.0-000.

Exploitation Mechanism

Attackers exploit the lack of NULL checks in ious_open to trigger a crash by dereferencing a NULL pointer.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Apply vendor patches or updates promptly.
Implement proper input validation to prevent NULL pointer dereferencing.
Monitor for any abnormal application behavior indicating a potential attack.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security training for developers to enhance code quality and secure coding practices.

Patching and Updates

Stay informed about security advisories from FIS GT.M and YottaDB to apply patches and updates promptly.