CVE-2021-40262 : Vulnerability Insights and Analysis

This CVE record involves a stack exhaustion issue in FreeImage affecting versions before 1.18.0. Learn about the impact, technical details, and mitigation strategies.

Understanding CVE-2021-40262

This section provides an overview of the CVE-2021-40262 vulnerability.

What is CVE-2021-40262?

CVE-2021-40262 is a stack exhaustion issue discovered in FreeImage before version 1.18.0. The vulnerability exists in the Validate function in PluginRAW.cpp.

The Impact of CVE-2021-40262

The following points highlight the impact of CVE-2021-40262:

The vulnerability can lead to stack exhaustion.
Attackers may potentially exploit this issue to cause a denial of service (DoS) condition.

Technical Details of CVE-2021-40262

This section dives into the technical aspects of the CVE-2021-40262 vulnerability.

Vulnerability Description

The vulnerability involves a stack exhaustion issue in FreeImage before version 1.18.0 via the Validate function in PluginRAW.cpp.

Affected Systems and Versions

The following systems and versions are affected:

Vendor: n/a
Product: n/a
Versions: All versions before 1.18.0

Exploitation Mechanism

To exploit this vulnerability, an attacker can trigger the Validate function in PluginRAW.cpp, leading to stack exhaustion.

Mitigation and Prevention

In this section, you will find strategies to mitigate and prevent the CVE-2021-40262 vulnerability.

Immediate Steps to Take

To address CVE-2021-40262, consider the following immediate steps:

Update FreeImage to version 1.18.0 or later.
Monitor for any unusual stack consumption patterns on systems using FreeImage.

Long-Term Security Practices

Implement the following long-term security practices:

Regularly update software and libraries to the latest versions.
Conduct routine security assessments and audits to identify vulnerabilities.

Patching and Updates

Ensure timely patching of software and dependencies to prevent vulnerabilities like CVE-2021-40262.