Apple Mac OS X Security Updates (HT209600)-01

# SPDX-FileCopyrightText: 2019 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("1.3.6.1.4.1.25623.1.0.815006");
  script_version("2025-01-21T05:37:33+0000");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2019-8520", "CVE-2019-8521", "CVE-2019-8526", "CVE-2019-8527",
                "CVE-2019-8561", "CVE-2018-12015", "CVE-2018-18311", "CVE-2018-18313",
                "CVE-2019-8513", "CVE-2019-8555", "CVE-2019-8522", "CVE-2019-6207",
                "CVE-2019-8510");
  script_tag(name:"cvss_base", value:"9.4");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:C/A:C");
  script_tag(name:"last_modification", value:"2025-01-21 05:37:33 +0000 (Tue, 21 Jan 2025)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/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:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");
  script_tag(name:"creation_date", value:"2019-03-26 15:43:15 +0530 (Tue, 26 Mar 2019)");
  script_name("Apple Mac OS X Security Updates (HT209600)-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 error with improper bounds checking.

  - An use after free error with improper memory management.

  - A buffer overflow error with improper size validation.

  - A logic issue related to improper validation.

  - Multiple issues in Perl.

  - A logic issue related to improper state management.

  - An out-of-bounds read error related to improper input validation.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers
  to read restricted memory, overwrite arbitrary files, gain elevated privileges,
  execute arbitrary code and cause unexpected system termination.");

  script_tag(name:"affected", value:"Apple Mac OS X versions,
  10.12.x through 10.12.6, 10.13.x through 10.13.6, 10.14.x through 10.14.3.");

  script_tag(name:"solution", value:"Upgrade to Apple Mac OS X 10.14.4 or later,
  or apply Security Update 2019-002 High Sierra or Security Update 2019-002 Sierra. Please see the references for more information.");

  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/HT209600");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 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", re:"ssh/login/osx_version=^10\.1[234]");
  exit(0);
}

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

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

osVer = get_kb_item("ssh/login/osx_version");
if(!osVer || osVer !~ "^10\.1[234]" || "Mac OS X" >!< osName){
  exit(0);
}

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

if(osVer =~ "^10\.12")
{
  if(version_in_range(version:osVer, test_version:"10.12", test_version2:"10.12.5")){
    fix = "Upgrade to latest OS release and apply patch from vendor";
  }

  else if(osVer == "10.12.6")
  {
    if(version_is_less(version:buildVer, test_version:"16G1917"))
    {
      fix = "Apply patch from vendor";
      osVer = osVer + " Build " + buildVer;
    }
  }
}

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(version_is_less(version:buildVer, test_version:"17G6029"))
    {
      fix = "Apply patch from vendor";
      osVer = osVer + " Build " + buildVer;
    }
  }
}

if(version_in_range(version:osVer, test_version:"10.14",test_version2:"10.14.3")){
  fix = "10.14.4";
}

if(fix)
{
  report = report_fixed_ver(installed_version:osVer, fixed_version:fix);
  security_message(data:report);
  exit(0);
}
exit(99);