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openvasCopyright (C) 2020 Greenbone AGOPENVAS:1361412562310817556
HistoryDec 16, 2020 - 12:00 a.m.

Mozilla Firefox ESR Security Advisories (MFSA2020-54, MFSA2020-56) - Windows

2020-12-1600:00:00
Copyright (C) 2020 Greenbone AG
plugins.openvas.org
5

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.9 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.004 Low

EPSS

Percentile

72.8%

Mozilla Firefox ESR is prone to multiple vulnerabilities.

# SPDX-FileCopyrightText: 2020 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

CPE = "cpe:/a:mozilla:firefox_esr";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.817556");
  script_version("2024-02-15T05:05:40+0000");
  script_cve_id("CVE-2020-16042", "CVE-2020-26971", "CVE-2020-26973", "CVE-2020-26974",
                "CVE-2020-26978", "CVE-2020-35111", "CVE-2020-35112", "CVE-2020-35113");
  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:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/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:"2021-01-11 19:36:00 +0000 (Mon, 11 Jan 2021)");
  script_tag(name:"creation_date", value:"2020-12-16 11:17:05 +0530 (Wed, 16 Dec 2020)");
  script_name("Mozilla Firefox ESR Security Advisories (MFSA2020-54, MFSA2020-56) - Windows");

  script_tag(name:"summary", value:"Mozilla Firefox ESR is prone to multiple vulnerabilities.");

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

  script_tag(name:"insight", value:"Multiple flaws exist due to:

  - Operations on a BigInt could have caused uninitialized memory to be exposed.

  - Heap buffer overflow in WebGL.

  - CSS Sanitizer performed incorrect sanitization.

  - Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free.

  - Internal network hosts could have been probed by a malicious webpage.

  - The proxy.onRequest API did not catch view-source URLs.

  - Opening an extension-less download may have inadvertently launched an executable instead.

  - Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers
  to conduct a denial-of-service, execute arbitrary code or information disclosure
  on affected system.");

  script_tag(name:"affected", value:"Mozilla Firefox ESR version before
  78.6 on Windows.");

  script_tag(name:"solution", value:"Update to Mozilla Firefox ESR version 78.6
  or later, Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"registry");
  script_xref(name:"URL", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2020-55/");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("General");
  script_dependencies("gb_firefox_detect_win.nasl", "gb_firefox_detect_portable_win.nasl");
  script_mandatory_keys("Firefox-ESR/Win/Ver");
  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if(!infos = get_app_version_and_location(cpe:CPE, exit_no_version:TRUE))
  exit(0);

vers = infos["version"];
path = infos["location"];

if(version_is_less(version:vers, test_version:"78.6")) {
  report = report_fixed_ver(installed_version:vers, fixed_version:"78.6", install_path:path);
  security_message(port:0, data:report);
  exit(0);
}

exit(99);

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.9 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.004 Low

EPSS

Percentile

72.8%