CVE-2023-49257 : Vulnerability Insights and Analysis
Learn about CVE-2023-49257, a vulnerability allowing authenticated users to upload and execute CGI-compatible files with root privileges. Find out the impact, affected systems, and mitigation strategies.
This article provides detailed information about CVE-2023-49257, a vulnerability that allows an authenticated user to upload and execute arbitrary CGI-compatible files with root user privileges.
Understanding CVE-2023-49257
This section delves into the impact, technical details, and mitigation strategies related to CVE-2023-49257.
What is CVE-2023-49257?
CVE-2023-49257 allows authenticated users to upload CGI-compatible files using a certificate upload utility and execute them with root user privileges.
The Impact of CVE-2023-49257
The vulnerability poses a severe risk as it enables attackers to execute arbitrary commands on the affected system, potentially leading to unauthorized access and data breaches.
Technical Details of CVE-2023-49257
This section outlines specific details about the vulnerability, including affected systems, exploitation mechanisms, and more.
Vulnerability Description
An authenticated user can upload CGI-compatible files via the certificate upload utility and execute them as the root user. This could result in complete system compromise.
Affected Systems and Versions
The vulnerability affects the 'H8951-4G-ESP' product by Hongdian with a custom version '0' below '2310271149'.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the certificate upload utility to execute malicious CGI-compatible files with elevated privileges.
Mitigation and Prevention
This section provides insights into immediate steps and long-term strategies to mitigate the risks associated with CVE-2023-49257.
Immediate Steps to Take
Immediately restrict access to the certificate upload utility, monitor for any suspicious file uploads, and apply vendor-recommended patches.
Long-Term Security Practices
Implement secure coding practices, conduct regular security audits, and educate users on the importance of safe file uploads and permissions management.
Patching and Updates
Regularly check for security updates from the vendor, apply patches promptly, and maintain a robust patch management process.