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
7.3 High
AI Score
Confidence
Low
6.8 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.009 Low
EPSS
Percentile
82.2%
Mozilla Firefox 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";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.817892");
script_version("2024-02-15T05:05:40+0000");
script_cve_id("CVE-2021-23953", "CVE-2021-23954", "CVE-2021-23955", "CVE-2021-23956",
"CVE-2021-23957", "CVE-2021-23958", "CVE-2021-23959", "CVE-2021-23960",
"CVE-2021-23961", "CVE-2021-23962", "CVE-2021-23963", "CVE-2021-23964",
"CVE-2021-23965");
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:"2021-03-03 20:58:00 +0000 (Wed, 03 Mar 2021)");
script_tag(name:"creation_date", value:"2021-01-27 11:40:58 +0530 (Wed, 27 Jan 2021)");
script_name("Mozilla Firefox Security Advisories (MFSA2021-02, MFSA2021-05) - Windows");
script_tag(name:"summary", value:"Mozilla Firefox 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:
- Cross-origin information leakage via redirected PDF requests.
- Type confusion when using logical assignment operators in JavaScript switch
statements.
- Clickjacking across tabs through misusing requestPointerLock.
- File picker dialog could have been used to disclose a complete directory.
- Screen sharing permission leaked across tabs.
- Use-after-poison for incorrectly redeclared JavaScript variables during GC.
- More internal network hosts could have been probed by a malicious webpage.
- Use-after-poison in <code>nsTreeBodyFrame::RowCountChanged</code>.
- Permission prompt inaccessible after asking for additional permissions.
- Memory safety bugs.");
script_tag(name:"impact", value:"Successful exploitation will allow
attackers to run arbitrary code, cause denial of service, disclose sensitive
information and conduct clickjacking attacks.");
script_tag(name:"affected", value:"Mozilla Firefox version before
85 on Windows.");
script_tag(name:"solution", value:"Update to Mozilla Firefox version 85
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/mfsa2021-03/");
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/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:"85")) {
report = report_fixed_ver(installed_version:vers, fixed_version:"85", 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
7.3 High
AI Score
Confidence
Low
6.8 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.009 Low
EPSS
Percentile
82.2%