Microsoft Edge (Chromium) < 88.0.705.63 Vulnerability

##
# (C) Tenable Network Security, Inc.
##

include('compat.inc');

if (description)
{
  script_id(146271);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/25");

  script_cve_id("CVE-2021-21148");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/11/17");
  script_xref(name:"CEA-ID", value:"CEA-2021-0007");

  script_name(english:"Microsoft Edge (Chromium) < 88.0.705.63 Vulnerability");

  script_set_attribute(attribute:"synopsis", value:
"The remote host has an web browser installed that is affected by a vulnerability");
  script_set_attribute(attribute:"description", value:
"The version of Microsoft Edge installed on the remote Windows host is prior to 88.0.705.63. It is, therefore, affected
by a vulnerability as referenced in the CVE-2021-21148 advisory. Note that Nessus has not tested for this issue but has
instead relied only on the application's self-reported version number.");
  # https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21148
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c8284af6");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Microsoft Edge version 88.0.705.63 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-21148");

  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:"2021/02/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/02/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/02/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:edge");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("microsoft_edge_chromium_installed.nbin");
  script_require_keys("installed_sw/Microsoft Edge (Chromium)", "SMB/Registry/Enumerated");

  exit(0);
}

include('vcf.inc');
get_kb_item_or_exit('SMB/Registry/Enumerated');
app_info = vcf::get_app_info(app:'Microsoft Edge (Chromium)', win_local:TRUE);
constraints = [
  { 'fixed_version' : '88.0.705.63' }
];
vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);