Vulnerabilities > CVE-2019-6239 - Unspecified vulnerability in Apple mac OS X

047910
CVSS 7.8 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
local
low complexity
apple
nessus

Summary

This issue was addressed with improved handling of file metadata. This issue is fixed in macOS Mojave 10.14.4. A malicious application may bypass Gatekeeper checks.

Vulnerable Configurations

Part Description Count
OS
Apple
158

Nessus

NASL familyMacOS X Local Security Checks
NASL idMACOS_10_14_4.NASL
descriptionThe remote host is running a version of macOS / Mac OS X that is 10.14.x prior to 10.14.4. It is, therefore, affected by multiple vulnerabilities, including: - Mounting a maliciously crafted NFS network share may lead to arbitrary code execution with system privileges. (CVE-2019-8508) - An application may be able to execute arbitrary code with kernel privileges. (CVE-2019-8529) - A malicious application may be able to execute arbitrary code with system privileges (CVE-2019-8549)
last seen2020-06-01
modified2020-06-02
plugin id123128
published2019-03-27
reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/123128
titlemacOS 10.14.x < 10.14.4 Multiple Vulnerabilities
code
#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(123128);
  script_version("1.7");
  script_cvs_date("Date: 2020/01/31");

  script_cve_id(
    "CVE-2018-12015",
    "CVE-2018-18311",
    "CVE-2018-18313",
    "CVE-2019-6207",
    "CVE-2019-6237",
    "CVE-2019-6239",
    "CVE-2019-7293",
    "CVE-2019-8502",
    "CVE-2019-8504",
    "CVE-2019-8507",
    "CVE-2019-8508",
    "CVE-2019-8510",
    "CVE-2019-8511",
    "CVE-2019-8513",
    "CVE-2019-8514",
    "CVE-2019-8516",
    "CVE-2019-8517",
    "CVE-2019-8519",
    "CVE-2019-8520",
    "CVE-2019-8521",
    "CVE-2019-8522",
    "CVE-2019-8526",
    "CVE-2019-8527",
    "CVE-2019-8529",
    "CVE-2019-8530",
    "CVE-2019-8533",
    "CVE-2019-8537",
    "CVE-2019-8540",
    "CVE-2019-8542",
    "CVE-2019-8545",
    "CVE-2019-8546",
    "CVE-2019-8549",
    "CVE-2019-8550",
    "CVE-2019-8552",
    "CVE-2019-8555",
    "CVE-2019-8561",
    "CVE-2019-8565"
  );
  script_bugtraq_id(104423, 106072, 106145);
  script_xref(name:"APPLE-SA", value:"APPLE-SA-2019-3-25-2");

  script_name(english:"macOS 10.14.x < 10.14.4 Multiple Vulnerabilities");
  script_summary(english:"Checks the version of Mac OS X / macOS.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is missing a macOS update that fixes multiple security
vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The remote host is running a version of macOS / Mac OS X that is
10.14.x prior to 10.14.4. It is, therefore, affected by multiple
vulnerabilities, including:

  - Mounting a maliciously crafted NFS network share may lead to
    arbitrary code execution with system privileges. (CVE-2019-8508)

  - An application may be able to execute arbitrary code with kernel
    privileges. (CVE-2019-8529)

  - A malicious application may be able to execute arbitrary code
    with system privileges (CVE-2019-8549)");
  script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/HT209600");
  # https://lists.apple.com/archives/security-announce/2019/Mar/msg00001.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?71533e9d");
  script_set_attribute(attribute:"solution", value:
"Upgrade to macOS version 10.14.4 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-8527");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Mac OS X Feedback Assistant Race Condition');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/03/25");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/03/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/27");

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

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

  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "os_fingerprint.nasl");
  script_require_ports("Host/MacOSX/Version", "Host/OS");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");


fix = "10.14.4";
minver = "10.14";

os = get_kb_item("Host/MacOSX/Version");
if (!os)
{
  os = get_kb_item_or_exit("Host/OS");
  if ("Mac OS X" >!< os) audit(AUDIT_OS_NOT, "macOS / Mac OS X");

  c = get_kb_item("Host/OS/Confidence");
  if (c <= 70) exit(1, "Can't determine the host's OS with sufficient confidence.");
}
if (!os) audit(AUDIT_OS_NOT, "macOS / Mac OS X");

matches = pregmatch(pattern:"Mac OS X ([0-9]+(\.[0-9]+)+)", string:os);
if (empty_or_null(matches)) exit(1, "Failed to parse the macOS / Mac OS X version ('" + os + "').");

version = matches[1];

if (ver_compare(ver:version, minver:minver, fix:fix, strict:FALSE) == -1)
{
  security_report_v4(
    port:0,
    severity:SECURITY_HOLE,
    extra:
      '\n  Installed version : ' + version +
      '\n  Fixed version     : ' + fix +
      '\n'
  );
}
else audit(AUDIT_INST_VER_NOT_VULN, "macOS / Mac OS X", version);