CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
53.5%
Mozilla Firefox is prone to a denial of service vulnerability.
# 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("1.3.6.1.4.1.25623.1.0.818106");
script_version("2024-02-15T05:05:40+0000");
script_cve_id("CVE-2021-29945");
script_tag(name:"cvss_base", value:"4.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/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:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-06-30 19:01:00 +0000 (Wed, 30 Jun 2021)");
script_tag(name:"creation_date", value:"2021-04-20 16:16:42 +0530 (Tue, 20 Apr 2021)");
script_name("Mozilla Firefox Security Advisories (MFSA2021-13, MFSA2021-16) - 01 - Windows");
script_tag(name:"summary", value:"Mozilla Firefox is prone to a denial of service vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
on the target host.");
script_tag(name:"insight", value:"The flaw is due to the WebAssembly JIT could
miscalculate the size of a return type.");
script_tag(name:"impact", value:"Successful exploitation will allow attackers
to cause denial of service.");
script_tag(name:"affected", value:"Mozilla Firefox version before 88 on
Windows x86-32 platforms.");
script_tag(name:"solution", value:"Update to Mozilla Firefox version 88
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/mfsa2021-16/");
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(!os_arch = get_kb_item("SMB/Windows/Arch"))
exit(0);
if("x86" >!< os_arch)
exit(0);
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:"88")) {
report = report_fixed_ver(installed_version:vers, fixed_version:"88", install_path:path);
security_message(port:0, data:report);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
53.5%