CVE-2023-43662 : Vulnerability Insights and Analysis

A file read vulnerability in Shoko Server can lead to unauthorized access to sensitive information. Learn about the impact, technical details, and mitigation strategies below.

Understanding CVE-2023-43662

Shoko Server's vulnerability allows attackers to read arbitrary files stored on the server, potentially leading to data leakage.

What is CVE-2023-43662?

ShokoServer's

/api/Image/WithPath

endpoint vulnerability enables unauthenticated attackers to read any file on the server, exposing sensitive data.

The Impact of CVE-2023-43662

The vulnerability poses a high risk as attackers can access confidential information stored on the server, compromising data integrity.

Technical Details of CVE-2023-43662

The vulnerability arises from improper handling of file paths in the

/api/Image/WithPath

endpoint, allowing attackers to bypass authentication and read arbitrary files.

Vulnerability Description

In affected versions of Shoko Server, the vulnerable endpoint accepts unsanitized parameters, leading to arbitrary file read vulnerabilities.

Affected Systems and Versions

ShokoAnime's ShokoServer versions <= 4.2.2 are impacted by this vulnerability, exposing them to the risk of unauthorized file access.

Exploitation Mechanism

Attackers can exploit the vulnerability by sending malicious requests to the

/api/Image/WithPath

endpoint, allowing them to read any file on the server.

Mitigation and Prevention

Addressing CVE-2023-43662 requires immediate steps to secure your Shoko Server installation and prevent further unauthorized access.

Immediate Steps to Take

Limit access to the

/api/Image/WithPath

endpoint, apply manual patches, or consider alternative security measures to restrict unauthorized file reads.

Long-Term Security Practices

Regularly update your ShokoServer installation, implement access controls, and conduct security audits to strengthen your server's defenses against potential vulnerabilities.

Patching and Updates

ShokoAnime has removed the vulnerable endpoint in commit

6c57ba0f0

and will include the fix in upcoming releases. Ensure you update to the patched version once available to safeguard your server from file read exploits.