CVE-2023-46236 Explained : Impact and Mitigation

FOG SSRF via unauthenticated endpoint(s)

Understanding CVE-2023-46236

FOG is a free open-source cloning/imaging/rescue suite/inventory management system. Prior to version 1.5.10, a server-side request forgery (SSRF) vulnerability allowed an unauthenticated user to trigger a GET request as the server to an arbitrary endpoint and URL scheme. This also allows remote access to files visible to the Apache user group. Other impacts vary based on server configuration. Version 1.5.10 contains a patch.

What is CVE-2023-46236?

CVE-2023-46236, titled 'FOG SSRF via unauthenticated endpoint(s)', is a vulnerability in FOGProject's fogproject versions prior to 1.5.10. It allows an unauthenticated user to exploit an SSRF vulnerability to trigger a GET request as the server, potentially leading to unauthorized remote access to files.

The Impact of CVE-2023-46236

The vulnerability poses a high severity risk, with a base score of 8.6, affecting confidentiality and integrity. With low attack complexity and network-based attack vector, the exploitation of this vulnerability can have significant consequences on the security of FOGProject deployments.

Technical Details of CVE-2023-46236

Vulnerability Description

FOGProject's fogproject versions prior to 1.5.10 are susceptible to a server-side request forgery (SSRF) vulnerability. This flaw enables an unauthenticated user to execute a GET request as the server to an arbitrary endpoint and URL scheme, potentially leading to unauthorized remote access to files.

Affected Systems and Versions

The vulnerability affects FOGProject's fogproject versions less than 1.5.10. Users operating on versions before the patched release are at risk of exploitation by malicious actors leveraging this SSRF vulnerability.

Exploitation Mechanism

Exploiting CVE-2023-46236 involves an unauthenticated user triggering a GET request as the server to a specified endpoint and URL scheme. This action can lead to unauthorized retrieval of files accessible to the Apache user group.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk posed by CVE-2023-46236, FOGProject users should urgently update their installations to version 1.5.10 or later. It is crucial to apply security patches promptly to prevent potential exploitation of the SSRF vulnerability.

Long-Term Security Practices

In the long term, organizations utilizing FOGProject should prioritize regular security audits, implement access controls, and stay informed about security updates. Following security best practices can help in fortifying systems against similar vulnerabilities.

Patching and Updates

FOGProject has addressed the SSRF vulnerability in version 1.5.10, which includes the necessary patch to eliminate the security risk. Users are advised to promptly upgrade to this version to protect their systems from potential exploitation.