CVE-2021-22761 Explained : Impact and Mitigation

A CVE-2021-22761 vulnerability has been identified in IGSS Definition (Def.exe) V15.0.0.21140 and prior versions. This vulnerability, categorized as CWE-119, could allow an attacker to disclose information or execute remote code through a malicious CGF file imported to IGSS Definition.

Understanding CVE-2021-22761

This section delves into the details of the CVE-2021-22761 vulnerability.

What is CVE-2021-22761?

The CVE-2021-22761 refers to a CWE-119 vulnerability in IGSS Definition (Def.exe) V15.0.0.21140 and previous versions. The flaw arises from the lack of proper length check on user-supplied data, enabling potential information exposure or remote code execution upon importing a malicious CGF file.

The Impact of CVE-2021-22761

The impact of this vulnerability includes the risk of unauthorized information disclosure and the potential execution of arbitrary code by threat actors exploiting the security loophole.

Technical Details of CVE-2021-22761

This section provides technical insights into the CVE-2021-22761 vulnerability.

Vulnerability Description

The vulnerability is classified under CWE-119 due to improper restriction of operations within the bounds of a memory buffer, leading to the ability to disclose sensitive information or achieve remote code execution.

Affected Systems and Versions

IGSS Definition (Def.exe) V15.0.0.21140 and prior versions are affected by this vulnerability, making systems with these installations vulnerable to potential attacks.

Exploitation Mechanism

Exploiting this vulnerability involves leveraging the missing length check on user-supplied data, particularly when importing a malicious CGF file to IGSS Definition.

Mitigation and Prevention

This section outlines the necessary steps to mitigate and prevent the exploitation of CVE-2021-22761.

Immediate Steps to Take

To address the CVE-2021-22761 vulnerability, users are advised to implement immediate security measures, such as restricting access and monitoring for any suspicious activities.

Long-Term Security Practices

Implementing robust security practices, including regular security updates and patches, can help in fortifying systems against potential exploits and safeguarding sensitive data.

Patching and Updates

Regularly applying software patches and updates issued by the vendor is crucial to addressing known vulnerabilities like CVE-2021-22761 and enhancing overall system security.