CVE-2023-36822 : Vulnerability Insights and Analysis
Uptime Kuma monitoring tool before 1.22.1 allows attackers to delete files via path traversal, leading to data loss. Learn about impact, exploitation, and mitigation.
A path traversal vulnerability has been identified in Uptime Kuma, a self-hosted monitoring tool, in versions prior to 1.22.1. This vulnerability could allow authenticated attackers to delete files from the server, potentially resulting in data loss or system unavailability.
Understanding CVE-2023-36822
Uptime Kuma authenticated path traversal via plugin repository name may lead to unavailability or data loss.
What is CVE-2023-36822?
Uptime Kuma, a self-hosted monitoring tool, has a path traversal vulnerability in versions prior to 1.22.1. Authenticated users are able to install plugins from an official list, but due to improper validation, a path traversal attack can occur, allowing attackers to delete files from the server.
The Impact of CVE-2023-36822
The vulnerability could potentially lead to data loss or unavailability of the system if critical files are deleted by an attacker. This can impact the overall functionality and reliability of Uptime Kuma.
Technical Details of CVE-2023-36822
The technical details of the CVE-2023-36822 vulnerability include:
Vulnerability Description
Uptime Kuma allows authenticated users to install plugins from an official list, but the lack of proper validation makes it susceptible to path traversal attacks, enabling attackers to delete files from the server.
Affected Systems and Versions
Versions of Uptime Kuma prior to 1.22.1 are affected by this vulnerability.
Exploitation Mechanism
Authenticated attackers can exploit this vulnerability by manipulating the plugin repository name, leading to the traversal of file paths and potential deletion of critical files.
Mitigation and Prevention
To address CVE-2023-36822, the following steps can be taken:
Immediate Steps to Take
- Update Uptime Kuma to version 1.22.1 or later to mitigate the vulnerability.
- Restrict access to the plugin installation feature until the system is updated.
Long-Term Security Practices
- Regularly update Uptime Kuma and monitor for security advisories.
- Implement file integrity monitoring to detect unauthorized changes.
Patching and Updates
Ensure all software components, including plugins, are regularly updated to the latest versions to prevent security vulnerabilities.