FreeBSD : xrdp -- multiple vulnerabilities (ba94433c-7890-11ed-859e-1c61b4739ac9)

#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# @NOAGENT@
#
# The descriptive text and package checks in this plugin were
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2021 Jacques Vidrine and contributors
#
# Redistribution and use in source (VuXML) and 'compiled' forms (SGML,
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# are permitted provided that the following conditions are met:
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#    published online in any format, converted to PDF, PostScript,
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# THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

include('compat.inc');

if (description)
{
  script_id(168620);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/11");

  script_cve_id(
    "CVE-2022-23468",
    "CVE-2022-23477",
    "CVE-2022-23478",
    "CVE-2022-23479",
    "CVE-2022-23480",
    "CVE-2022-23481",
    "CVE-2022-23482",
    "CVE-2022-23483",
    "CVE-2022-23484",
    "CVE-2022-23493"
  );

  script_name(english:"FreeBSD : xrdp -- multiple vulnerabilities (ba94433c-7890-11ed-859e-1c61b4739ac9)");

  script_set_attribute(attribute:"synopsis", value:
"The remote FreeBSD host is missing one or more security-related updates.");
  script_set_attribute(attribute:"description", value:
"The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple
vulnerabilities as referenced in the ba94433c-7890-11ed-859e-1c61b4739ac9 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 buffer over flow in audin_send_open() function. There are
    no known workarounds for this issue. Users are advised to upgrade. (CVE-2022-23477)

  - 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 buffer over flow in
    devredir_proc_client_devlist_announce_req() function. There are no known workarounds for this issue. Users
    are advised to upgrade. (CVE-2022-23480)

  - 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_caps_process_confirm_active()
    function. There are no known workarounds for this issue. Users are advised to upgrade. (CVE-2022-23481)

  - 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_sec_process_mcs_data_CS_CORE()
    function. There are no known workarounds for this issue. Users are advised to upgrade. (CVE-2022-23482)

  - 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://github.com/neutrinolabs/xrdp/releases/tag/v0.9.21");
  # https://vuxml.freebsd.org/freebsd/ba94433c-7890-11ed-859e-1c61b4739ac9.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b29f71bc");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  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:"2022/12/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/12/11");

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

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

  script_copyright(english:"This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info");

  exit(0);
}


include("freebsd_package.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD");
if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING);


var flag = 0;

var packages = [
    'xrdp<0.9.21'
];

foreach var package( packages ) {
    if (pkg_test(save_report:TRUE, pkg: package)) flag++;
}

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : pkg_report_get()
  );
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");