Improper Restriction of Excessive Authentication Attempts in xrdp



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-39917
CWE-ID CWE-307
Exploitation vector Network
Public exploit N/A
Vulnerable software
 xrdp
Other software / Other software solutions

Vendor neutrinolabs

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Restriction of Excessive Authentication Attempts

EUVDB-ID: #VU94665

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-39917

CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper restriction of excessive authentication attempts within the MaxLoginRetry parameter in /etc/xrdp/sesman.ini. A remote attacker can make an infinite number of login attempts.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

xrdp: 0.9.1 - 0.9.26

CPE2.3 External links

https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-7w22-h4w7-8j5j
https://github.com/neutrinolabs/xrdp/commit/19c111c74c913ecc6e4ba9a738ed929a79d2ae8f


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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