CVE-2023-46817 : Vulnerability Insights and Analysis

An issue was discovered in phpFox before 4.8.14 where the url request parameter passed to the /core/redirect route is not properly sanitized, leading to potential arbitrary PHP object injection by remote attackers.

Understanding CVE-2023-46817

This CVE involves a vulnerability in phpFox before version 4.8.14 that allows remote, unauthenticated attackers to inject arbitrary PHP objects into the application scope.

What is CVE-2023-46817?

CVE-2023-46817 is a security flaw in phpFox that arises due to improper sanitization of the url request parameter in the /core/redirect route, enabling attackers to execute arbitrary PHP code.

The Impact of CVE-2023-46817

This vulnerability can be exploited by malicious actors to inject PHP objects, potentially leading to severe consequences such as unauthorized code execution and application compromise.

Technical Details of CVE-2023-46817

This section outlines the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability allows remote attackers to inject arbitrary PHP objects by manipulating the url request parameter, leading to various attacks, including executing unauthorized PHP code.

Affected Systems and Versions

All phpFox versions before 4.8.14 are affected by this vulnerability due to improper input sanitization in the /core/redirect route.

Exploitation Mechanism

Attackers can exploit this issue by sending a crafted url request parameter to the vulnerable /core/redirect route, leveraging the unserialize() PHP function to inject malicious PHP objects.

Mitigation and Prevention

Protecting systems from CVE-2023-46817 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade phpFox to version 4.8.14 or above to mitigate the vulnerability.
Implement strict input validation and output encoding to prevent code injection attacks.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security audits and penetration testing to identify and remediate security weaknesses.

Patching and Updates

Refer to official sources for patching details: phpFox 4.8.14