CVE-2022-40797 : Vulnerability Insights and Analysis
Learn about CVE-2022-40797, a severe vulnerability in Roxy Fileman 1.4.6 allowing remote code execution via .phar uploads. Understand the impact, affected systems, and mitigation steps.
A detailed overview of the CVE-2022-40797 vulnerability affecting Roxy Fileman 1.4.6, allowing Remote Code Execution via a .phar upload.
Understanding CVE-2022-40797
This section will explore what CVE-2022-40797 entails and the impact it may have.
What is CVE-2022-40797?
CVE-2022-40797 relates to a vulnerability in Roxy Fileman 1.4.6 that enables Remote Code Execution through a .phar upload. The flaw arises from inadequate filtering of file uploads, permitting malicious actors to execute arbitrary code.
The Impact of CVE-2022-40797
The impact of CVE-2022-40797 is severe as attackers can exploit this vulnerability to upload malicious .phar files, leading to unauthorized remote code execution on the affected system.
Technical Details of CVE-2022-40797
Delve into the technical aspects of CVE-2022-40797 to understand its intricacies.
Vulnerability Description
The vulnerability in Roxy Fileman 1.4.6 emerges from the default FORBIDDEN_UPLOADS configuration in conf.json, which fails to block .phar uploads. Upon visiting a .phar file, the PHP interpreter is triggered in certain web-server configurations.
Affected Systems and Versions
All versions of Roxy Fileman 1.4.6 are susceptible to this vulnerability, potentially impacting systems with this software installed.
Exploitation Mechanism
Exploiting CVE-2022-40797 involves uploading a malicious .phar file through the file upload functionality in Roxy Fileman 1.4.6, leveraging the insecure configuration to execute unauthorized commands.
Mitigation and Prevention
Discover the necessary steps to mitigate and prevent the exploitation of CVE-2022-40797.
Immediate Steps to Take
Immediately disable file uploads in Roxy Fileman 1.4.6 and apply security patches or updates provided by the vendor to address this vulnerability.
Long-Term Security Practices
Implement strict file upload validation mechanisms, conduct regular security assessments, and stay informed about software vulnerabilities to enhance long-term security.
Patching and Updates
Regularly monitor for security advisories from the Roxy Fileman developers and promptly apply patches and updates to ensure the security of your systems.