CVE-2022-23483

2022-12-0918:15:16

Debian Security Bug Tracker

security-tracker.debian.org

xrdp

out of bound read

libxrdp_send_to_channel

remote desktop protocol (rdp)

upgrade

security issue

unix

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.002

Percentile

57.2%

JSON

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 Read in libxrdp_send_to_channel() function. There are no known workarounds for this issue. Users are advised to upgrade.

OSVersionArchitecturePackageVersionFilename
Debian12allxrdp< 0.9.21.1-1xrdp_0.9.21.1-1_all.deb
Debian11allxrdp< 0.9.21.1-1~deb11u1xrdp_0.9.21.1-1~deb11u1_all.deb
Debian999allxrdp< 0.9.21.1-1xrdp_0.9.21.1-1_all.deb
Debian13allxrdp< 0.9.21.1-1xrdp_0.9.21.1-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	xrdp	< 0.9.21.1-1	xrdp_0.9.21.1-1_all.deb
Debian	11	all	xrdp	< 0.9.21.1-1~deb11u1	xrdp_0.9.21.1-1~deb11u1_all.deb
Debian	999	all	xrdp	< 0.9.21.1-1	xrdp_0.9.21.1-1_all.deb
Debian	13	all	xrdp	< 0.9.21.1-1	xrdp_0.9.21.1-1_all.deb