CVE-2021-31746 Explained : Impact and Mitigation

A Zip Slip vulnerability in Pluck-CMS Pluck 4.7.15 allows an attacker to upload specially crafted zip files, leading to directory traversal and potential arbitrary code execution.

Understanding CVE-2021-31746

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-31746.

What is CVE-2021-31746?

The Zip Slip vulnerability in Pluck-CMS Pluck 4.7.15 enables malicious actors to exploit specially crafted zip files, resulting in unauthorized access to directories and the possibility of executing arbitrary code.

The Impact of CVE-2021-31746

The vulnerability poses a severe risk as it could allow threat actors to traverse directories beyond the intended paths and execute code that can compromise the security and integrity of the system.

Technical Details of CVE-2021-31746

Explore the specific technical aspects of the vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The Zip Slip vulnerability in Pluck-CMS Pluck 4.7.15 permits attackers to manipulate zip files to navigate directories illicitly and potentially execute code, posing a significant security threat.

Affected Systems and Versions

The vulnerability impacts Pluck-CMS Pluck 4.7.15, making systems with this version susceptible to exploitation through crafted zip files, emphasizing the necessity for immediate action.

Exploitation Mechanism

By leveraging the flaw in Pluck-CMS Pluck 4.7.15, threat actors can abuse specially crafted zip files to execute malicious code, emphasizing the critical need for vulnerability remediation.

Mitigation and Prevention

Discover the essential steps to mitigate the risks posed by CVE-2021-31746 and safeguard systems against potential attacks.

Immediate Steps to Take

To address the Zip Slip vulnerability, it is crucial to restrict file uploads, validate user input, and implement access controls to prevent unauthorized directory traversal and code execution.

Long-Term Security Practices

Incorporating secure coding practices, regular security assessments, and maintaining up-to-date software patches can enhance the resilience of systems against known vulnerabilities like CVE-2021-31746.

Patching and Updates

Promptly applying patches released by Pluck-CMS for addressing the Zip Slip vulnerability in Pluck-CMS Pluck 4.7.15 is imperative to mitigate the risk of exploitation and reinforce the security posture of the affected systems.