Lucene search

K
nessusThis script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DLA-3370.NASL
HistoryMar 30, 2023 - 12:00 a.m.

Debian DLA-3370-1 : xrdp - LTS security update

2023-03-3000:00:00
This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
10
debian
xrdp
package
vulnerabilities
upgrade
rdp
buffer overflow
out of bound write
integer overflow
remote machines

0.002 Low

EPSS

Percentile

57.6%

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

  • 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 buffer over flow in xrdp_login_wnd_create() function.
    There are no known workarounds for this issue. Users are advised to upgrade. (CVE-2022-23468)

  • 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. (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 buffer over flow in xrdp_mm_chan_data_in() function.
    There are no known workarounds for this issue. Users are advised to upgrade. (CVE-2022-23479)

  • 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. (CVE-2022-23483)

  • 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 Integer Overflow in xrdp_mm_process_rail_update_window_text() function. There are no known workarounds for this issue. Users are advised to upgrade. (CVE-2022-23484)

  • 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 xrdp_mm_trans_process_drdynvc_channel_close() function. There are no known workarounds for this issue.
    Users are advised to upgrade. (CVE-2022-23493)

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

#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dla-3370. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(173714);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/03/30");

  script_cve_id(
    "CVE-2022-23468",
    "CVE-2022-23478",
    "CVE-2022-23479",
    "CVE-2022-23483",
    "CVE-2022-23484",
    "CVE-2022-23493"
  );

  script_name(english:"Debian DLA-3370-1 : xrdp - LTS security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing one or more security-related updates.");
  script_set_attribute(attribute:"description", value:
"The remote Debian 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the
dla-3370 advisory.

  - 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 buffer over flow in xrdp_login_wnd_create() function.
    There are no known workarounds for this issue. Users are advised to upgrade. (CVE-2022-23468)

  - 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. (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 buffer over flow in xrdp_mm_chan_data_in() function.
    There are no known workarounds for this issue. Users are advised to upgrade. (CVE-2022-23479)

  - 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. (CVE-2022-23483)

  - 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 Integer Overflow in
    xrdp_mm_process_rail_update_window_text() function. There are no known workarounds for this issue. Users
    are advised to upgrade. (CVE-2022-23484)

  - 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
    xrdp_mm_trans_process_drdynvc_channel_close() function. There are no known workarounds for this issue.
    Users are advised to upgrade. (CVE-2022-23493)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/xrdp");
  script_set_attribute(attribute:"see_also", value:"https://www.debian.org/lts/security/2023/dla-3370");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2022-23468");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2022-23478");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2022-23479");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2022-23483");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2022-23484");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2022-23493");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/xrdp");
  script_set_attribute(attribute:"solution", value:
"Upgrade the xrdp packages.

For Debian 10 buster, these problems have been fixed in version 0.9.9-1+deb10u2.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-23484");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/12/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/03/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/03/30");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:xrdp");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Debian Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}

include('debian_package.inc');

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);

var debian_release = get_kb_item('Host/Debian/release');
if ( isnull(debian_release) ) audit(AUDIT_OS_NOT, 'Debian');
debian_release = chomp(debian_release);
if (! preg(pattern:"^(10)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 10.0', 'Debian ' + debian_release);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Debian', cpu);

var pkgs = [
    {'release': '10.0', 'prefix': 'xrdp', 'reference': '0.9.9-1+deb10u2'}
];

var flag = 0;
foreach package_array ( pkgs ) {
  var _release = NULL;
  var prefix = NULL;
  var reference = NULL;
  if (!empty_or_null(package_array['release'])) _release = package_array['release'];
  if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (_release && prefix && reference) {
    if (deb_check(release:_release, prefix:prefix, reference:reference)) flag++;
  }
}

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : deb_report_get()
  );
  exit(0);
}
else
{
  var tested = deb_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'xrdp');
}
VendorProductVersionCPE
debiandebian_linuxxrdpp-cpe:/a:debian:debian_linux:xrdp
debiandebian_linux10.0cpe:/o:debian:debian_linux:10.0