CVE-2021-44496 Explained : Impact and Mitigation

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). This vulnerability allows an attacker to manipulate a buffer size, potentially leading to the execution flow control takeover.

Understanding CVE-2021-44496

This CVE describes a security vulnerability in FIS GT.M through V7.0-000 that could be exploited by attackers to gain control of the flow of execution.

What is CVE-2021-44496?

The vulnerability in FIS GT.M allows attackers to manipulate the size variable and buffer, ultimately enabling them to overwrite critical data structures and control the flow of execution.

The Impact of CVE-2021-44496

Exploitation of this vulnerability could lead to unauthorized control over the execution flow, potentially resulting in severe consequences such as data breaches or system manipulation.

Technical Details of CVE-2021-44496

This section provides more technical insights into the vulnerability.

Vulnerability Description

By using crafted input, an attacker can control the size variable and buffer passed to a memcpy call, leading to potential data structure overwrites and flow control manipulation.

Affected Systems and Versions

Affected Systems: FIS GT.M through V7.0-000.
Affected Versions: Not specified.

Exploitation Mechanism

The attack involves manipulating the size variable and buffer, allowing attackers to overwrite critical data structures and gain control over the flow of execution.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks posed by CVE-2021-44496.

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Implement proper input validation mechanisms to prevent crafted input attacks.
Monitor system logs for any unusual activities indicating exploitation attempts.

Long-Term Security Practices

Conduct regular security audits to identify and address potential vulnerabilities.
Educate developers and system administrators on secure coding practices.
Keep software and systems up to date with the latest security patches.
Implement network segmentation and access controls to limit the impact of potential attacks.
Consider deploying intrusion detection/prevention systems to detect and block malicious activities.
Stay informed about emerging threats and security best practices.
Consider engaging with cybersecurity professionals for security assessments and recommendations.

Patching and Updates

Ensure to install patches or updates released by FIS GT.M to address the vulnerability and enhance system security.