CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
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
AI Score
Confidence
High
EPSS
Percentile
82.4%
Mozilla Firefox ESR is prone to multiple vulnerabilities.
# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.0.818104");
script_version("2024-02-15T05:05:40+0000");
script_cve_id("CVE-2021-23994", "CVE-2021-23995", "CVE-2021-23998", "CVE-2021-23961",
"CVE-2021-23999", "CVE-2021-24002", "CVE-2021-29946");
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:"2021-07-02 16:55:00 +0000 (Fri, 02 Jul 2021)");
script_tag(name:"creation_date", value:"2021-04-20 16:16:42 +0530 (Tue, 20 Apr 2021)");
script_name("Mozilla Firefox ESR Security Advisories (MFSA2021-13, MFSA2021-16) - 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:
- An out of bound write due to lazy initialization.
- An use-after-free in Responsive Design Mode.
- Secure Lock icon could have been spoofed.
- More internal network hosts could have been probed by a malicious webpage.
- Blob URLs may have been granted additional privileges.
- Arbitrary FTP command execution on FTP servers using an encoded URL.
- Port blocking could be bypassed.");
script_tag(name:"impact", value:"Successful exploitation will allow
attackers to run arbitrary code, escalate privileges and bypass security
restrictions.");
script_tag(name:"affected", value:"Mozilla Firefox ESR version before
78.10 on Windows.");
script_tag(name:"solution", value:"Update to Mozilla Firefox ESR version
78.10 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/mfsa2021-15/");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 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:"78.10")) {
report = report_fixed_ver(installed_version:vers, fixed_version:"78.10", install_path:path);
security_message(port:0, data:report);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
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
AI Score
Confidence
High
EPSS
Percentile
82.4%