CVE-2021-44507 : Vulnerability Insights and Analysis

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). A lack of parameter validation in calls to memcpy in str_tok in sr_unix/ztimeoutroutines.c allows attackers to attempt to read from a NULL pointer.

Understanding CVE-2021-44507

What is CVE-2021-44507?

CVE-2021-44507 is a vulnerability in FIS GT.M through version V7.0-000, affecting the YottaDB code base. It is caused by inadequate parameter validation in specific function calls that can lead to an attacker trying to read from a NULL pointer.

The Impact of CVE-2021-44507

This vulnerability could potentially be exploited by attackers to perform unauthorized reads and could result in a denial of service or the execution of arbitrary code.

Technical Details of CVE-2021-44507

Vulnerability Description

The vulnerability stems from a lack of parameter validation in calls to memcpy in str_tok in sr_unix/ztimeoutroutines.c, leaving the system open to attempts to read from a NULL pointer.

Affected Systems and Versions

Product: FIS GT.M
Version: up to V7.0-000

Exploitation Mechanism

Attackers can leverage this vulnerability to read from a NULL pointer, potentially leading to unauthorized access or code execution.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches as soon as they become available.
Implement strong input validation mechanisms to prevent buffer overflows.
Monitor and restrict network access to vulnerable systems.

Long-Term Security Practices

Conduct regular security audits to identify and address vulnerabilities.
Keep software and systems up to date with the latest security patches.

Patching and Updates

Stay informed about security alerts and updates from FIS GT.M.
Regularly check for new releases and apply patches promptly.