Mozilla Firefox < 57.0.4 Speculative Execution Side-Channel Attack Vulnerability (Spectre)

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

include("compat.inc");

if (description)
{
  script_id(105616);
  script_version("1.7");
  script_cvs_date("Date: 2019/11/08");

  script_cve_id("CVE-2017-5715", "CVE-2017-5753");
  script_bugtraq_id(102371, 102376);
  script_xref(name:"MFSA", value:"2018-01");
  script_xref(name:"IAVA", value:"2018-A-0020");

  script_name(english:"Mozilla Firefox < 57.0.4 Speculative Execution Side-Channel Attack Vulnerability (Spectre)");
  script_summary(english:"Checks the version of Firefox.");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote Windows host is affected by
a speculative execution side-channel attack vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Mozilla Firefox installed on the remote Windows host
is prior to 57.0.4. It is, therefore, vulnerable to a speculative execution
side-channel attack. Code from a malicious web page could read data from other
web sites or private data from the browser itself.");
  script_set_attribute(attribute:"see_also", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2018-01/");
  script_set_attribute(attribute:"see_also", value:"https://spectreattack.com/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Firefox version 57.0.4 or later.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-5753");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:'CANVAS');

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/01/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/01/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/01/05");

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

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

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

  script_dependencies("mozilla_org_installed.nasl");
  script_require_keys("Mozilla/Firefox/Version");

  exit(0);
}

include("mozilla_version.inc");

port = get_kb_item("SMB/transport");
if (!port) port = 445;

installs = get_kb_list("SMB/Mozilla/Firefox/*");
if (isnull(installs)) audit(AUDIT_NOT_INST, "Firefox");

mozilla_check_version(installs:installs, product:'firefox', fix:'57.0.4', severity:SECURITY_WARNING);