CVE-2021-27224 : Exploit Details and Defense Strategies

A user-mode write access violation in the WPG plugin before version 3.1.0.0 for IrfanView 4.57 could lead to remote code execution.

Understanding CVE-2021-27224

This CVE identifies a vulnerability in the WPG plugin used in IrfanView, allowing attackers to potentially execute arbitrary code remotely.

What is CVE-2021-27224?

The WPG plugin before 3.1.0.0 for IrfanView 4.57 experiences a user-mode write access violation, enabling remote attackers to potentially execute malicious code.

The Impact of CVE-2021-27224

This vulnerability could be exploited by remote attackers to execute arbitrary code on the target system, posing a serious security risk to users and their data.

Technical Details of CVE-2021-27224

The following technical details shed light on the vulnerability:

Vulnerability Description

The vulnerability involves a user-mode write access violation in the WPG plugin, starting at WPG+0x0000000000012ec6, which could be abused by attackers to execute arbitrary code.

Affected Systems and Versions

The affected product version is the WPG plugin before 3.1.0.0 for IrfanView 4.57. Users with this configuration may be vulnerable to exploitation.

Exploitation Mechanism

Remote attackers could potentially exploit this vulnerability to trigger user-mode write access violations in the WPG plugin, paving the way for the execution of malicious code.

Mitigation and Prevention

To address CVE-2021-27224, users and organizations can take the following steps:

Immediate Steps to Take

Update IrfanView to version 4.57 with the WPG plugin 3.1.0.0 or higher to mitigate the vulnerability.

Long-Term Security Practices

Regularly update software and plugins to the latest versions to protect against known vulnerabilities.
Implement network security measures to prevent unauthorized access to systems and sensitive data.

Patching and Updates

Stay informed about security updates and patches released by IrfanView and other software vendors to promptly address potential vulnerabilities and enhance system security.