Apple Mac OS X Code Execution Vulnerability (HT207922)

# SPDX-FileCopyrightText: 2017 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("1.3.6.1.4.1.25623.1.0.811537");
  script_version("2024-02-16T14:37:06+0000");
  script_cve_id("CVE-2017-7047");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2024-02-16 14:37:06 +0000 (Fri, 16 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-03-25 16:31:00 +0000 (Mon, 25 Mar 2019)");
  script_tag(name:"creation_date", value:"2017-07-20 12:23:38 +0530 (Thu, 20 Jul 2017)");
  script_name("Apple Mac OS X Code Execution Vulnerability (HT207922)");

  script_tag(name:"summary", value:"Apple Mac OS X is prone to a code execution vulnerability.");

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

  script_tag(name:"insight", value:"The flaw is due to a memory corruption issue
  in libxpc component.");

  script_tag(name:"impact", value:"Successful exploitation will allow attacker
  to execute arbitrary code with system privileges.");

  script_tag(name:"affected", value:"Apple Mac OS X version 10.12.x before
  10.12.6 and 10.11.x through 10.11.6.");

  script_tag(name:"solution", value:"For Apple Mac OS X version 10.12.x before
  10.12.6 update to 10.12.6 and for versions 10.11.x through 10.11.6 apply the
  appropriate security patch. 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/HT207922");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/99883");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 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[12]");
  exit(0);
}

include("version_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[12]" || "Mac OS X" >!< osName){
  exit(0);
}

if(version_in_range(version:osVer, test_version:"10.12", test_version2:"10.12.5")){
  fix = "10.12.6";
}

else if(osVer =~ "^10\.11")
{
  if(version_in_range(version:osVer, test_version:"10.11", test_version2:"10.11.5")){
    fix = "Upgrade to latest OS release and apply patch from vendor";
  }

  ## applying patch on 10.11.6 will upgrade build version to 15G1611
  ## https://en.wikipedia.org/wiki/OS_X_El_Capitan
  else if(version_is_equal(version:osVer, test_version:"10.11.6"))
  {
    buildVer = get_kb_item("ssh/login/osx_build");
    if(buildVer && version_is_less(version:buildVer, test_version:"15G1611")){
      fix = "Apply patch from vendor";
    }
  }
}

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

exit(99);