Apple Mac OS X Security Update (HT211100)-01

# SPDX-FileCopyrightText: 2020 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.816722");
  script_version("2026-06-11T07:15:11+0000");
  script_cve_id("CVE-2020-3907", "CVE-2020-3908", "CVE-2020-3912", "CVE-2020-3892",
                "CVE-2020-3893", "CVE-2020-3905", "CVE-2020-3904", "CVE-2020-3909",
                "CVE-2020-3911", "CVE-2020-3914", "CVE-2020-3910", "CVE-2020-3919");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2026-06-11 07:15:11 +0000 (Thu, 11 Jun 2026)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-04-02 20:04:00 +0000 (Thu, 02 Apr 2020)");
  script_tag(name:"creation_date", value:"2020-03-26 12:25:12 +0530 (Thu, 26 Mar 2020)");
  script_name("Apple Mac OS X Security Update (HT211100)-01");

  script_tag(name:"summary", value:"Apple Mac OS X is prone to multiple vulnerabilities.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
  on the target host.");

  script_tag(name:"insight", value:"Multiple flaws exist due to:

  - An out-of-bounds read issue due to improper input validation.

  - A memory corruption issue due to improper input validation.

  - Multiple memory corruption issues due to improper state management.

  - Multiple buffer overflow issues due to improper bounds checking and size validation.

  - A memory initialization issue due to improper memory handling.");

  script_tag(name:"impact", value:"Successful exploitation allows remote attackers
  to execute arbitrary code with kernel privileges, read kernel memory, and launch
  further attacks");

  script_tag(name:"affected", value:"Apple Mac OS X versions 10.13.x through 10.13.6,
  10.14.x through 10.14.6, and 10.15.x through 10.15.3");

  script_tag(name:"solution", value:"Apply Security Update 2020-002 for Apple
  Mac OS X version 10.13.x and 10.14.x, or upgrade to 10.15.4 or later.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");
  script_xref(name:"URL", value:"https://support.apple.com/en-us/HT211100");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Mac OS X Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/osx_name", "ssh/login/osx_version");
  exit(0);
}

include("version_func.inc");
include("ssh_func.inc");

if(!osName = get_kb_item("ssh/login/osx_name"))
  exit(0);

osVer = get_kb_item("ssh/login/osx_version");
if(!osVer || osVer !~ "^10\.1[345]" || "Mac OS X" >!< osName){
  exit(0);
}

buildVer = get_kb_item("ssh/login/osx_build");

if(osVer =~ "^10\.13")
{
  if(version_in_range(version:osVer, test_version:"10.13", test_version2:"10.13.5")){
    fix = "Upgrade to latest OS release and apply patch from vendor";
  }

  else if(osVer == "10.13.6")
  {
    if(osVer == "10.13.6" && version_is_less(version:buildVer, test_version:"17G12034"))
    {
      fix = "Apply patch from vendor";
      osVer = osVer + " Build " + buildVer;
    }
  }
}

if(osVer =~ "^10\.14")
{
  if(version_in_range(version:osVer, test_version:"10.14", test_version2:"10.14.5")){
    fix = "Upgrade to latest OS release and apply patch from vendor";
  }

  else if(osVer == "10.14.6")
  {
    if(osVer == "10.14.6" && version_is_less(version:buildVer, test_version:"18G4032"))
    {
      fix = "Apply patch from vendor";
      osVer = osVer + " Build " + buildVer;
    }
  }
}

else if(version_in_range(version:osVer, test_version:"10.15", test_version2:"10.15.3")) {
  fix = "10.15.4";
}

if(fix)
{
  report = report_fixed_ver(installed_version:osVer, fixed_version:fix);
  security_message(port:0, data:report);
  exit(0);
}

exit(99);