CVE-2024-57602: Easy!Appointments Privilege Escalation Vulnerability
Summary
CVE-2024-57602: Easy!Appointments Improper Restriction of Excessive Authentication Attempts. Affects alextselegidis/easyappointments versions < 1.5.0. No fix is published. How to fix ↓
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Background
Easy!Appointments is an open-source appointment scheduling software developed by Alex Tselegidis. It allows users to manage appointments efficiently, offering features such as calendar integration, client management, and customizable booking forms. However, version 1.5.0 of Easy!Appointments is vulnerable to improper restriction of excessive authentication attempts, which can lead to unauthorized privilege escalation.
Vulnerability Detail
The vulnerability arises from the index.php file in Easy!Appointments v.1.5.0, where insufficient restrictions on authentication attempts allow remote attackers to exploit this weakness. By repeatedly attempting to authenticate, an attacker can escalate their privileges, potentially gaining unauthorized access to sensitive information and administrative functionalities. This vulnerability is classified under CWE-307, indicating a failure to enforce proper authentication mechanisms.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As an immediate workaround, consider implementing rate limiting on authentication attempts to mitigate the risk of privilege escalation. This can be done by modifying the server configuration or using middleware to restrict the number of login attempts from a single IP address.
Conclusion
The CVE-2024-57602 vulnerability in Easy!Appointments poses a significant risk due to improper authentication restrictions. Users are strongly advised to update to a patched version to mitigate this risk. Implementing rate limiting can serve as an effective temporary measure until the update is applied.
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FAQ
CVE-2024-57602 is a critical vulnerability in Easy!Appointments that allows remote attackers to escalate privileges due to improper restriction of excessive authentication attempts.
The vulnerability affects Easy!Appointments version 1.5.0 and earlier versions.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any installation or signup.
The CVSS score of this vulnerability is 9.8, indicating a critical level of severity.
If an immediate update is not possible, implement rate limiting on authentication attempts as a temporary workaround to reduce the risk of exploitation.
References
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