CVE-2023-23607 : Vulnerability Insights and Analysis

This CVE involves an unrestricted file upload vulnerability in erohtar/Dasherr, leading to Remote Code Execution. It was published on January 20, 2023, with a base severity score of 9.8, categorizing it as critical.

Understanding CVE-2023-23607

This vulnerability in erohtar/Dasherr allows unauthenticated users to upload files and execute arbitrary code on the server, posing a significant risk if exploited maliciously.

What is CVE-2023-23607?

In affected versions of erohtar/Dasherr, specifically versions prior to 1.05.00, an unrestricted file upload vulnerability exists. Attackers can upload PHP files via /www/include/filesave.php, enabling them to execute code on the server. Upgrading to version 1.05.00 is crucial for security, as there are no known workarounds for this issue.

The Impact of CVE-2023-23607

This vulnerability has a high impact on confidentiality, integrity, and availability. With a base score of 9.8, the risk of remote code execution can lead to severe consequences if not mitigated promptly.

Technical Details of CVE-2023-23607

The following technical details outline the vulnerability, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability allows unauthenticated users to upload files, specifically PHP files, that can then be executed on the server, potentially leading to unauthorized access or data manipulation.

Affected Systems and Versions

Only versions of erohtar/Dasherr earlier than 1.05.00 are impacted by this vulnerability. Users of affected versions are at risk of remote code execution if proper measures are not taken.

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading malicious PHP files through the /www/include/filesave.php endpoint, gaining the ability to execute arbitrary code on the server.

Mitigation and Prevention

To safeguard against CVE-2023-23607, immediate steps should be taken to mitigate the risk and prevent exploitation. Additionally, long-term security practices and regular patching play a crucial role in enhancing the overall security posture.

Immediate Steps to Take

Upgrade to version 1.05.00 of erohtar/Dasherr to address the vulnerability and prevent remote code execution.
Implement proper access controls and validation mechanisms to restrict unauthorized file uploads.

Long-Term Security Practices

Regularly monitor for security advisories and updates related to erohtar/Dasherr to stay informed about potential vulnerabilities.
Conduct security audits and penetration testing to identify and address any security gaps within the application.

Patching and Updates

Stay vigilant about security patches and updates released by erohtar for Dasherr. Timely patching is essential to fix known vulnerabilities and protect against potential exploits.