Apple Mac OS X Information Disclosure Vulnerability (HT207615)

# 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("1.3.6.1.4.1.25623.1.0.810982");
  script_version("2024-02-16T14:37:06+0000");
  script_cve_id("CVE-2016-7056");
  script_tag(name:"cvss_base", value:"2.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:N/A:N");
  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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-10-09 23:19:00 +0000 (Wed, 09 Oct 2019)");
  script_tag(name:"creation_date", value:"2017-05-19 12:01:54 +0530 (Fri, 19 May 2017)");
  script_name("Apple Mac OS X Information Disclosure Vulnerability (HT207615)");

  script_tag(name:"summary", value:"Apple Mac OS X is prone to an information disclosure 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 an error in time
  computation.");

  script_tag(name:"impact", value:"Successful exploitation will allow local
  attacker to leak sensitive user information.");

  script_tag(name:"affected", value:"Apple Mac OS X version 10.11.x through
  10.11.6 and 10.12.x through 10.12.3");

  script_tag(name:"solution", value:"For Apple Mac OS X version 10.12.x through
  10.12.3 upgrade to 10.12.4 and for versions 10.11.x through 10.11.6 apply the
  appropriate security patch.");

  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/HT207615");
  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 10.11.5 or less is running, update to 10.11.6 then apply patch
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 15G1421
  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:"15G1421"))
    {
      fix = "Apply patch from vendor";
      osVer = osVer + " Build " + buildVer;
    }
  }
}

## 10.12 to 10.12.3 is vulnerable
else if(version_in_range(version:osVer, test_version:"10.12", test_version2:"10.12.3")){
  fix = "10.12.4";
}

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

exit(99);