CVE-2023-52086 Explained : Impact and Mitigation
Learn about CVE-2023-52086, a critical security flaw in resumable.php allowing arbitrary file upload, posing risks of unauthorized access and data manipulation. Find mitigation steps here.
A security vulnerability labeled as CVE-2023-52086 has been identified in resumable.php, specifically in the PHP backend for resumable.js version 0.1.4 before 3c6dbf5. This vulnerability enables arbitrary file upload anywhere in the filesystem by exploiting a weakness in the multipart/form-data content to upload.php.
Understanding CVE-2023-52086
This section delves into the details surrounding CVE-2023-52086.
What is CVE-2023-52086?
The CVE-2023-52086 vulnerability in resumable.php allows malicious actors to perform arbitrary file upload activities, potentially leading to unauthorized access and data manipulation.
The Impact of CVE-2023-52086
Exploiting this vulnerability can result in adversaries uploading files to unintended locations within the system, potentially enabling them to overwrite critical files.
Technical Details of CVE-2023-52086
Explore the technical aspects related to CVE-2023-52086 in this section.
Vulnerability Description
The flaw in resumable.php version 0.1.4 before 3c6dbf5 permits the insertion of files into various parts of the filesystem via the upload.php file, significantly compromising system integrity.
Affected Systems and Versions
The vulnerability affects resumable.php versions prior to 3c6dbf5, making systems leveraging these versions susceptible to exploitation.
Exploitation Mechanism
By injecting '../' in multipart/form-data content to upload.php, threat actors can abuse the lack of proper input validation to upload files in unauthorized directories.
Mitigation and Prevention
Discover the strategies to mitigate and prevent the risks associated with CVE-2023-52086.
Immediate Steps to Take
System administrators should restrict file upload capabilities, validate user input thoroughly, and apply security patches promptly to prevent exploitation of this vulnerability.
Long-Term Security Practices
Emphasize the implementation of secure coding practices, conduct regular security audits, and stay informed about potential vulnerabilities and fixes.
Patching and Updates
Stay vigilant for updates from resumable.php to ensure all security patches are applied timely to safeguard against CVE-2023-52086.