CVE-2021-22753 : Security Advisory and Response

A CWE-125 vulnerability has been identified in IGSS Definition (Def.exe) V15.0.0.21140 and prior versions, potentially leading to data loss or remote code execution. This CVE was published on June 11, 2021, by Schneider.

Understanding CVE-2021-22753

This section delves into the details of the CWE-125 vulnerability affecting IGSS Definition software.

What is CVE-2021-22753?

CVE-2021-22753 is an out-of-bounds read vulnerability found in IGSS Definition (Def.exe) V15.0.0.21140 and earlier versions. It could allow an attacker to execute malicious code or cause data loss by exploiting a missing length check in the software.

The Impact of CVE-2021-22753

The impact of this vulnerability includes the potential loss of data integrity or the execution of unauthorized remote code when a malicious WSP file is processed by IGSS Definition.

Technical Details of CVE-2021-22753

This section covers the technical aspects of the CVE, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

A CWE-125: Out-of-bounds read vulnerability exists in IGSS Definition (Def.exe) V15.0.0.21140 and earlier, allowing malicious WSP files to trigger code execution or data loss due to missing length checks.

Affected Systems and Versions

IGSS Definition (Def.exe) V15.0.0.21140 and previous versions are affected by this vulnerability, putting systems at risk of exploitation.

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious WSP file that, upon parsing by IGSS Definition, could lead to the execution of unauthorized code or loss of data.

Mitigation and Prevention

In this section, you'll find guidance on how to address CVE-2021-22753 and prevent similar vulnerabilities in the future.

Immediate Steps to Take

Users should apply security patches provided by the vendor immediately to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing secure coding practices, regular security assessments, and monitoring can enhance the overall security posture and prevent such vulnerabilities.

Patching and Updates

Regularly check for software updates and patches released by the vendor to address known vulnerabilities and ensure system security.