Vulnerabilities > CVE-2018-5147 - Out-of-bounds Write vulnerability in multiple products

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(108584);
  script_version("1.4");
  script_cvs_date("Date: 2019/11/08");

  script_cve_id("CVE-2018-5146", "CVE-2018-5147");
  script_bugtraq_id(103432);
  script_xref(name:"MFSA", value:"2018-08");

  script_name(english:"Mozilla Firefox ESR < 52.7.2 Multiple Code Execution Vulnerabilities (macOS)");
  script_summary(english:"Checks the version of Firefox.");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote macOS or Mac OS X host is
affected by multiple code execution vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Mozilla Firefox ESR installed on the remote macOS or
Mac OS X host is prior to 52.7.2. It is, therefore, affected by multiple
code execution vulnerabilities. A out-of-bounds write flaw exists in
multiple functions of the codebook.c script when decoding Vorbis audio
data. A context-dependent attacker could corrupt memory and potentially
execute arbitrary code.");
  script_set_attribute(attribute:"see_also", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2018-08/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Firefox ESR version 52.7.2 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-5147");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/03/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/03/23");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mozilla:firefox_esr");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("macosx_firefox_installed.nasl");
  script_require_keys("MacOSX/Firefox/Version");

  exit(0);
}

include("mozilla_version.inc");

kb_base = "MacOSX/Firefox";
get_kb_item_or_exit(kb_base+"/Installed");

version = get_kb_item_or_exit(kb_base+"/Version", exit_code:1);
path = get_kb_item_or_exit(kb_base+"/Path", exit_code:1);

is_esr = get_kb_item(kb_base+"/is_esr");
if (isnull(is_esr)) audit(AUDIT_NOT_INST, "Mozilla Firefox ESR");

mozilla_check_version(version:version, path:path, product:'firefox', esr:TRUE, fix:'52.7.2', min:'52', severity:SECURITY_HOLE);