Zoom Client for Meetings < 5.8.4 Vulnerability (ZSB-21019)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(168797);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/16");

  script_cve_id("CVE-2021-34423");

  script_name(english:"Zoom Client for Meetings < 5.8.4 Vulnerability (ZSB-21019)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host has an application installed that is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Zoom Client for Meetings installed on the remote host is prior to 5.8.4. It is, therefore, affected by a
vulnerability as referenced in the ZSB-21019 advisory.

  - A buffer overflow vulnerability was discovered in the products listed in the Affected Products'' section
    of this bulletin. This can potentially allow a malicious actor to crash the service or application, or
    leverage this vulnerability to execute arbitrary code. Zoom has addressed this issue in the latest
    releases of the products listed in the section below. Users can help keep themselves secure by applying
    current updates or downloading the latest Zoom software with all current security updates.
    (CVE-2021-34423)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://explore.zoom.us/en/trust/security/security-bulletin/?filter-cve=&filter=&keywords=ZSB-21019
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?5fa1df53");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Zoom Client for Meetings 5.8.4 or later.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-34423");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/11/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/11/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/12/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:zoom:zoom");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:zoom:meetings");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

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

  script_dependencies("zoom_client_for_meetings_win_installed.nbin", "macosx_zoom_installed.nbin", "zoom_nix_installed.nbin");
  script_require_ports("installed_sw/Zoom Client for Meetings", "installed_sw/zoom");

  exit(0);
}

include('vcf.inc');

var app_info = NULL;

if (get_kb_item('installed_sw/Zoom Client for Meetings'))
  app_info = vcf::get_app_info(app:'Zoom Client for Meetings', win_local:TRUE);
else
  app_info = vcf::get_app_info(app:'zoom');

vcf::check_granularity(app_info:app_info, sig_segments:3);

vcf::check_all_backporting(app_info:app_info);

var constraints = [
  { 'fixed_version' : '5.8.4' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);