Vulnerabilities > CVE-2024-39917 - Improper Restriction of Excessive Authentication Attempts vulnerability in Neutrinolabs Xrdp
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
xrdp is an open source RDP server. xrdp versions prior to 0.10.0 have a vulnerability that allows attackers to make an infinite number of login attempts. The number of max login attempts is supposed to be limited by a configuration parameter `MaxLoginRetry` in `/etc/xrdp/sesman.ini`. However, this mechanism was not effectively working. As a result, xrdp allows an infinite number of login attempts.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://github.com/neutrinolabs/xrdp/commit/19c111c74c913ecc6e4ba9a738ed929a79d2ae8f
- https://github.com/neutrinolabs/xrdp/commit/19c111c74c913ecc6e4ba9a738ed929a79d2ae8f
- https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-7w22-h4w7-8j5j
- https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-7w22-h4w7-8j5j