Debian dla-3370 : xrdp - security update

critical Nessus Plugin ID 173714

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-3370 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-3370-1 [email protected] https://www.debian.org/lts/security/ Dominik George March 28, 2023 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : xrdp Version : 0.9.9-1+deb10u2 CVE ID : CVE-2022-23468 CVE-2022-23478 CVE-2022-23479 CVE-2022-23483 CVE-2022-23484 CVE-2022-23493 Debian Bug :

Several out of bounds memory access and buffer overflows were fixed in xrdp, an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP)

CVE-2022-23468

xrdp < v0.9.21 contain a buffer over flow in xrdp_login_wnd_create() function.
There are no known workarounds for this issue.

CVE-2022-23478

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.

CVE-2022-23479

xrdp < v0.9.21 contain a buffer over flow in xrdp_mm_chan_data_in() function.
There are no known workarounds for this issue.

CVE-2022-23483

xrdp < v0.9.21 contain a Out of Bound Read in libxrdp_send_to_channel() function.
There are no known workarounds for this issue.

CVE-2022-23484

xrdp < v0.9.21 contain a Integer Overflow in xrdp_mm_process_rail_update_window_text() function. There are no known workarounds for this issue.

CVE-2022-23493

xrdp < v0.9.21 contain a Out of Bound Read in xrdp_mm_trans_process_drdynvc_channel_close() function. There are no known workarounds for this issue.

For Debian 10 buster, these problems have been fixed in version 0.9.9-1+deb10u2.

We recommend that you upgrade your xrdp packages.

For the detailed security status of xrdp please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/xrdp

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the xrdp packages.

See Also

https://security-tracker.debian.org/tracker/source-package/xrdp

https://security-tracker.debian.org/tracker/CVE-2022-23468

https://security-tracker.debian.org/tracker/CVE-2022-23478

https://security-tracker.debian.org/tracker/CVE-2022-23479

https://security-tracker.debian.org/tracker/CVE-2022-23483

https://security-tracker.debian.org/tracker/CVE-2022-23484

https://security-tracker.debian.org/tracker/CVE-2022-23493

https://packages.debian.org/source/buster/xrdp

Plugin Details

Severity: Critical

ID: 173714

File Name: debian_DLA-3370.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/30/2023

Updated: 1/22/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2022-23484

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:xrdp

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 3/30/2023

Vulnerability Publication Date: 12/9/2022

Reference Information

CVE: CVE-2022-23468, CVE-2022-23478, CVE-2022-23479, CVE-2022-23483, CVE-2022-23484, CVE-2022-23493