CVE-2023-40184 — LOW (2.6) — White Hats Nepal

Q: How severe is CVE-2023-40184?

CVE-2023-40184 has been rated LOW with a CVSS base score of 2.6/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2023-40184?

Check the references section above for vendor advisories and patch information. Affected products include: Neutrinolabs Xrdp.

Vulnerability Description

xrdp is an open source remote desktop protocol (RDP) server. In versions prior to 0.9.23 improper handling of session establishment errors allows bypassing OS-level session restrictions. The `auth_start_session` function can return non-zero (1) value on, e.g., PAM error which may result in in session restrictions such as max concurrent sessions per user by PAM (ex ./etc/security/limits.conf) to be bypassed. Users (administrators) don't use restrictions by PAM are not affected. This issue has been addressed in release version 0.9.23. Users are advised to upgrade. There are no known workarounds for this issue.

CVSS Score

2.6

LOW

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Neutrinolabs	Xrdp	< 0.9.23

Related Weaknesses (CWE)

CWE-755

References

FAQ

What is CVE-2023-40184?

CVE-2023-40184 is a vulnerability with a CVSS score of 2.6 (LOW). xrdp is an open source remote desktop protocol (RDP) server. In versions prior to 0.9.23 improper handling of session establishment errors allows bypassing OS-level session restrictions. The `auth_sta...

How severe is CVE-2023-40184?

CVE-2023-40184 has been rated LOW with a CVSS base score of 2.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-40184?

Check the references section above for vendor advisories and patch information. Affected products include: Neutrinolabs Xrdp.