CVE-2019-1010062 : Vulnerability Insights and Analysis

PluckCMS versions 4.7.4 and prior are vulnerable to CWE-434, allowing the unrestricted upload of dangerous files, potentially leading to webshell acquisition.

Understanding CVE-2019-1010062

PluckCMS 4.7.4 and earlier versions are affected by a critical vulnerability that enables attackers to upload malicious files.

What is CVE-2019-1010062?

This CVE involves the unrestricted upload of files with dangerous types in PluckCMS versions 4.7.4 and earlier. Attackers can exploit this to gain a webshell, specifically targeting the "data/inc/images.php" component.

The Impact of CVE-2019-1010062

The vulnerability poses a severe risk of webshell acquisition, allowing attackers to execute arbitrary code on the server.

Technical Details of CVE-2019-1010062

PluckCMS's vulnerability details and affected systems.

Vulnerability Description

CWE-434: Unrestricted Upload of File with Dangerous Type
Attack vector involves manipulating the MIME TYPE during HTTP requests to upload PHP files

Affected Systems and Versions

Product: PluckCMS
Vendor: pluck-cms
Versions Affected: ≤ 4.7.4

Exploitation Mechanism

Attackers exploit the vulnerability by modifying the MIME TYPE in HTTP requests to upload PHP files

Mitigation and Prevention

Protecting systems from CVE-2019-1010062.

Immediate Steps to Take

Update PluckCMS to a version beyond commit 09f0ab871bf633973cfd9fc4fe59d4a912397cf8
Monitor for any unauthorized file uploads

Long-Term Security Practices

Implement file upload restrictions and validation checks
Regularly audit and review file upload functionalities

Patching and Updates

Apply patches provided by PluckCMS to fix the vulnerability