Learn about CVE-2023-41055 affecting LibreY, enabling SSRF attacks that can disrupt services. Find mitigation steps and patch details here.
A Server-Side Request Forgery (SSRF) vulnerability has been identified in LibreY server. This vulnerability, tracked as CWE-918, allows remote attackers to manipulate the server to conduct Denial-of-Service (DoS) attacks.
Understanding CVE-2023-41055
This vulnerability impacts LibreY, a privacy-respecting meta search engine derived from LibreX. Attackers can exploit this flaw to request the server to make HTTP GET requests to arbitrary targets using the
wikipedia_language
cookie.
What is CVE-2023-41055?
LibreY is susceptible to a Server-Side Request Forgery (SSRF) vulnerability in specific files in versions prior to commit be59098abd119cda70b15bf3faac596dfd39a744. This flaw enables remote attackers to execute DoS attacks by manipulating server requests.
The Impact of CVE-2023-41055
This vulnerability allows attackers to download large files, degrade server performance, and potentially block access to legitimate users. It poses a significant threat to the availability of LibreY services.
Technical Details of CVE-2023-41055
This section details the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The SSRF vulnerability in LibreY enables attackers to abuse the server to initiate HTTP requests to unauthorized targets, exploiting the
wikipedia_language
cookie.
Affected Systems and Versions
LibreY versions preceding commit be59098abd119cda70b15bf3faac596dfd39a744 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can trigger DoS attacks by directing the server to initiate HTTP requests to unauthorized targets, leading to service disruption.
Mitigation and Prevention
It is crucial for LibreY hosters to take immediate steps to secure their systems against this vulnerability.
Immediate Steps to Take
Ensure that the latest commit (be59098abd119cda70b15bf3faac596dfd39a744) is implemented to patch the SSRF vulnerability in LibreY.
Long-Term Security Practices
Regularly update and monitor LibreY installations for security patches and updates to prevent future vulnerabilities.
Patching and Updates
Refer to the official GitHub repository and apply the patch provided in https://github.com/Ahwxorg/LibreY/pull/9 to mitigate the CVE-2023-41055 vulnerability.