Compliance Impact

This vulnerability allows an attacker to take over user accounts by intercepting password reset tokens, leading to unauthorized access to personal data. Such unauthorized access and potential data breaches can result in non-compliance with data protection regulations like GDPR and HIPAA, which require safeguarding user data and preventing unauthorized access. Therefore, the vulnerability negatively impacts compliance with these common standards and regulations. [2]

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Executive Summary

This vulnerability in Coolify (up to v4.0.0-beta.434) allows an attacker to manipulate the host header in a password reset request. The attacker initiates a password reset for a victim but changes the host header to a malicious domain. The victim receives a reset email with a link pointing to the attacker's domain. If the victim clicks the link, their reset token is sent to the attacker, who can then use it to reset the victim's password and take over their account. [2]

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Impact Analysis

The vulnerability can lead to a full account takeover. An attacker can obtain a victim's password reset token by tricking them into clicking a malicious link, then use that token to change the victim's password and gain unauthorized access to their account. This compromises the victim's account confidentiality and integrity. [2]

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Detection Guidance

This vulnerability can be detected by monitoring password reset requests for unusual or manipulated Host headers. Using a proxy tool like Burp Suite to intercept and inspect password reset HTTP requests can reveal if the Host header is being altered to a malicious domain. Network monitoring tools or logs should be checked for password reset requests where the Host header does not match the legitimate domain. Specific commands are not provided in the resources, but using Burp Suite or similar HTTP proxy tools to capture and modify requests is suggested. [2]

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Mitigation Strategies

Immediate mitigation steps include preventing attackers from manipulating the Host header in password reset requests. Since no patch is available at the time of the advisory, it is recommended to monitor and restrict Host header values to only legitimate domains on the server side. Additionally, educating users not to click on suspicious password reset links and implementing additional verification steps in the password reset flow can help reduce risk. [2]

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