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Debian dla-3375 : xrdp - security update

critical Nessus Plugin ID 173742

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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-3375 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3375-1 [email protected] https://www.debian.org/lts/security/ Chris Lamb March 31, 2023 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : xrdp Version : 0.9.9-1+deb10u3 CVE IDs : CVE-2022-23480 CVE-2022-23481 CVE-2022-23482 Debian Bug : 1025879

 It was discovered that there were a number of vulnerabilies in the xrdp Remote Desktop Protocol (RDP) server:

 * CVE-2022-23480: Prevent a series of potential buffer overflow vulnerabilities in the devredir_proc_client_devlist_announce_req() function.

 * CVE-2022-23481: Fix an out-of-bounds read vulnerability in the xrdp_caps_process_confirm_active() function.

 * CVE-2022-23482: Fix an out-of-bounds read vulnerability in the xrdp_sec_process_mcs_data_CS_CORE() function.

 For Debian 10 buster, these problems have been fixed in version 0.9.9-1+deb10u3.

 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

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/CVE-2022-23480

https://security-tracker.debian.org/tracker/CVE-2022-23481

https://security-tracker.debian.org/tracker/CVE-2022-23482

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

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

Plugin Details

Severity: Critical

ID: 173742

File Name: debian_DLA-3375.nasl

Version: 1.3

Type: local

Agent: unix

Published: 3/31/2023

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-2022-23480

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: 3/31/2023

Vulnerability Publication Date: 12/9/2022

Reference Information

CVE: CVE-2022-23480, CVE-2022-23481, CVE-2022-23482