CVE-2023-39612 : Vulnerability Insights and Analysis

A detailed overview of CVE-2023-39612 highlighting the impact, technical details, and mitigation steps.

Understanding CVE-2023-39612

An in-depth analysis of the cross-site scripting vulnerability in FileBrowser leading to privilege escalation to Administrator.

What is CVE-2023-39612?

CVE-2023-39612 is a cross-site scripting (XSS) vulnerability in FileBrowser before version 2.23.0, enabling an authenticated attacker to elevate privileges to Administrator by manipulating HTML files or URLs.

The Impact of CVE-2023-39612

This vulnerability poses a significant risk as it allows an attacker with authenticated access to gain full Administrator privileges, potentially leading to unauthorized control over the system.

Technical Details of CVE-2023-39612

Exploring the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

FileBrowser versions prior to 2.23.0 are susceptible to an XSS flaw, empowering attackers to perform privilege escalation attacks through malicious HTML content or URLs.

Affected Systems and Versions

All versions of FileBrowser before 2.23.0 are impacted by CVE-2023-39612, highlighting the importance of updating to the latest secure release.

Exploitation Mechanism

By enticing authenticated users to interact with specially crafted HTML files or URLs, attackers can exploit this vulnerability to gain unauthorized administrative control.

Mitigation and Prevention

Guidance on immediate actions to secure systems and long-term security best practices.

Immediate Steps to Take

Upgrade FileBrowser to version 2.23.0 or newer to eliminate the XSS vulnerability and prevent privilege escalation attacks.
Implement strict input validation and output encoding mechanisms to mitigate XSS risks in web applications.

Long-Term Security Practices

Regularly update software and applications to patch known security flaws and reduce the attack surface.
Conduct security training for users and administrators to enhance awareness of common vulnerabilities like XSS.

Patching and Updates

Stay informed about security updates and patches released by FileBrowser to address vulnerabilities promptly and maintain a secure environment.