What is CVE-2022-23478?

CVE-2022-23478 is a critical-severity vulnerability in Neutrinolabs Xrdp, classified under Out-of-bounds Write. CVSS score: 9.1/10. Published 2022-12-09.

How severe is CVE-2022-23478?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2022-23478 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Neutrinolabs Xrdp

CVE-2022-23478

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Write in xrdp_mm_trans_process_drdynvc_channel_open() function. There a…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (53.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Neutrinolabs Xrdp — versions < 0.9.21

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

seyrenus/trace-release

References

https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-2f49-wwpm-78pj (x_refsource_CONFIRM)
www.debian.org/security/2023/dsa-5502

Frequently asked questions

What is CVE-2022-23478?: CVE-2022-23478 is a critical-severity vulnerability in Neutrinolabs Xrdp, classified under Out-of-bounds Write. CVSS score: 9.1/10. Published 2022-12-09.
How severe is CVE-2022-23478?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2022-23478 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.