CVE-2022-23478

CRITICAL

xrdp < 0.9.21 - Out-of-bounds Write in xrdp_mm_trans_process_drdynvc_channel_open()

Title source: llm

Description

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 are no known workarounds for this issue. Users are advised to upgrade.

References (2)

Core 2

Core References

Third Party Advisory x_refsource_confirm

https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-2f49-wwpm-78pj

Third Party Advisory

https://www.debian.org/security/2023/dsa-5502

Scores

CVSS v3 9.1

EPSS 0.0029

EPSS Percentile 52.1%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-787

Status published

Products (2)

debian/debian_linux 11.0

neutrinolabs/xrdp < 0.9.21

Published Dec 09, 2022

Tracked Since Feb 18, 2026