6.8 Medium
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
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
6.8 Medium
AI Score
Confidence
Low
0.006 Low
EPSS
Percentile
78.5%
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("1.3.6.1.4.1.25623.1.0.817895");
script_version("2024-02-15T05:05:40+0000");
script_cve_id("CVE-2021-23953", "CVE-2021-23954", "CVE-2021-23964", "CVE-2021-23960",
"CVE-2020-26976");
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 12:56:17 +0530 (Wed, 27 Jan 2021)");
script_name("Mozilla Firefox ESR Security Advisories (MFSA2021-02, MFSA2021-05) - Mac OS X");
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:
- Type confusion when using logical assignment operators in JavaScript switch
statements.
- Cross-origin information leakage via redirected PDF requests.
- HTTPS pages could have been intercepted by a registered service worker when
they should not have been.
- Use-after-poison for incorrectly redeclared JavaScript variables during GC.
- Memory safety bugs.");
script_tag(name:"impact", value:"Successful exploitation will allow
attackers to run arbitrary code, cause denial of service and disclose sensitive
information.");
script_tag(name:"affected", value:"Mozilla Firefox ESR version before
78.7 on Mac OS X.");
script_tag(name:"solution", value:"Upgrade to Mozilla Firefox ESR version 78.7
or later, Please see the references for more information.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"executable_version");
script_xref(name:"URL", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2021-04/");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone AG");
script_family("General");
script_dependencies("gb_mozilla_prdts_detect_macosx.nasl");
script_mandatory_keys("Mozilla/Firefox-ESR/MacOSX/Version");
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 );
ffVer = infos['version'];
ffPath = infos['location'];
if(version_is_less(version:ffVer, test_version:"78.7"))
{
report = report_fixed_ver(installed_version:ffVer, fixed_version:"78.7", install_path:ffPath);
security_message(data:report);
exit(0);
}
6.8 Medium
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
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
6.8 Medium
AI Score
Confidence
Low
0.006 Low
EPSS
Percentile
78.5%