macOS 11.x < 11.2.3 (HT212220)

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

include('compat.inc');

if (description)
{
  script_id(147658);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/06/03");

  script_cve_id("CVE-2021-1844");
  script_xref(name:"APPLE-SA", value:"HT212220");
  script_xref(name:"APPLE-SA", value:"APPLE-SA-2021-03-08-2");
  script_xref(name:"IAVA", value:"2021-A-0126-S");

  script_name(english:"macOS 11.x < 11.2.3 (HT212220)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is missing a macOS security update.");
  script_set_attribute(attribute:"description", value:
"The remote host is running a version of macOS / Mac OS X that is 11.x prior to 11.2.3 Big Sur. It is, therefore,
affected by a memory corruption issue due to insufficient validation. An attacker can exploit this with crafted web
content to cause arbitrary code execution.

Note that Nessus has not tested for this issue but has instead relied only on the operating system's self-reported
version number.");
  script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/HT212220");
  script_set_attribute(attribute:"solution", value:
"Upgrade to macOS 11.2.3 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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-1844");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/03/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/03/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/03/11");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:mac_os_x");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:macos");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

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

  script_dependencies("ssh_get_info.nasl");
  script_require_ports("Host/MacOSX/Version", "Host/local_checks_enabled", "Host/MacOSX/packages/boms");

  exit(0);
}

include('vcf.inc');
include('vcf_extras_apple.inc');

app_info = vcf::apple::macos::get_app_info();

constraints = [
  { 'min_version' : '11.0', 'fixed_version' : '11.2.3', 'fixed_display' : 'macOS Big Sur 11.2.3' }
];

vcf::apple::macos::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);