CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
74.7%
The remote Fedora 33 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-48866282e5 advisory.
Use after free in WebRTC in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted SCTP packet. (CVE-2020-16044)
Insufficient policy enforcement in Cryptohome in Google Chrome prior to 88.0.4324.96 allowed a local attacker to perform OS-level privilege escalation via a crafted file. (CVE-2021-21117)
Insufficient data validation in V8 in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (CVE-2021-21118)
Use after free in Media in Google Chrome prior to 88.0.4324.96 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.
(CVE-2021-21119)
Use after free in WebSQL in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (CVE-2021-21120)
Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (CVE-2021-21121)
Use after free in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (CVE-2021-21122)
Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. (CVE-2021-21123)
Potential user after free in Speech Recognizer in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (CVE-2021-21124)
Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. (CVE-2021-21125)
Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass site isolation via a crafted Chrome Extension. (CVE-2021-21126)
Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass content security policy via a crafted Chrome Extension. (CVE-2021-21127)
Heap buffer overflow in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (CVE-2021-21128)
Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. (CVE-2021-21129, CVE-2021-21130, CVE-2021-21131)
Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension. (CVE-2021-21132)
Insufficient policy enforcement in Downloads in Google Chrome prior to 88.0.4324.96 allowed an attacker who convinced a user to download files to bypass navigation restrictions via a crafted HTML page.
(CVE-2021-21133)
Incorrect security UI in Page Info in Google Chrome on iOS prior to 88.0.4324.96 allowed a remote attacker to spoof security UI via a crafted HTML page. (CVE-2021-21134)
Inappropriate implementation in Performance API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (CVE-2021-21135)
Insufficient policy enforcement in WebView in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (CVE-2021-21136)
Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to obtain potentially sensitive information from disk via a crafted HTML page. (CVE-2021-21137)
Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file. (CVE-2021-21138)
Inappropriate implementation in iframe sandbox in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (CVE-2021-21139)
Uninitialized use in USB in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform out of bounds memory access via via a USB device. (CVE-2021-21140)
Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass file extension policy via a crafted HTML page. (CVE-2021-21141)
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
##
# (C) Tenable Network Security, Inc.
##
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory FEDORA-2021-48866282e5
#
include('compat.inc');
if (description)
{
script_id(145391);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/26");
script_cve_id(
"CVE-2020-16044",
"CVE-2021-21117",
"CVE-2021-21118",
"CVE-2021-21119",
"CVE-2021-21120",
"CVE-2021-21121",
"CVE-2021-21122",
"CVE-2021-21123",
"CVE-2021-21124",
"CVE-2021-21125",
"CVE-2021-21126",
"CVE-2021-21127",
"CVE-2021-21128",
"CVE-2021-21129",
"CVE-2021-21130",
"CVE-2021-21131",
"CVE-2021-21132",
"CVE-2021-21133",
"CVE-2021-21134",
"CVE-2021-21135",
"CVE-2021-21136",
"CVE-2021-21137",
"CVE-2021-21138",
"CVE-2021-21139",
"CVE-2021-21140",
"CVE-2021-21141"
);
script_xref(name:"FEDORA", value:"2021-48866282e5");
script_name(english:"Fedora 33 : chromium (2021-48866282e5)");
script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote Fedora 33 host has a package installed that is affected by multiple vulnerabilities as referenced in the
FEDORA-2021-48866282e5 advisory.
- Use after free in WebRTC in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially
exploit heap corruption via a crafted SCTP packet. (CVE-2020-16044)
- Insufficient policy enforcement in Cryptohome in Google Chrome prior to 88.0.4324.96 allowed a local
attacker to perform OS-level privilege escalation via a crafted file. (CVE-2021-21117)
- Insufficient data validation in V8 in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to
potentially perform out of bounds memory access via a crafted HTML page. (CVE-2021-21118)
- Use after free in Media in Google Chrome prior to 88.0.4324.96 allowed a remote attacker who had
compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.
(CVE-2021-21119)
- Use after free in WebSQL in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially
exploit heap corruption via a crafted HTML page. (CVE-2021-21120)
- Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to
potentially perform a sandbox escape via a crafted HTML page. (CVE-2021-21121)
- Use after free in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially
exploit heap corruption via a crafted HTML page. (CVE-2021-21122)
- Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote
attacker to bypass filesystem restrictions via a crafted HTML page. (CVE-2021-21123)
- Potential user after free in Speech Recognizer in Google Chrome on Android prior to 88.0.4324.96 allowed a
remote attacker to potentially perform a sandbox escape via a crafted HTML page. (CVE-2021-21124)
- Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88.0.4324.96
allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. (CVE-2021-21125)
- Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote
attacker to bypass site isolation via a crafted Chrome Extension. (CVE-2021-21126)
- Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote
attacker to bypass content security policy via a crafted Chrome Extension. (CVE-2021-21127)
- Heap buffer overflow in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to
potentially exploit heap corruption via a crafted HTML page. (CVE-2021-21128)
- Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote
attacker to bypass filesystem restrictions via a crafted HTML page. (CVE-2021-21129, CVE-2021-21130,
CVE-2021-21131)
- Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker
to potentially perform a sandbox escape via a crafted Chrome Extension. (CVE-2021-21132)
- Insufficient policy enforcement in Downloads in Google Chrome prior to 88.0.4324.96 allowed an attacker
who convinced a user to download files to bypass navigation restrictions via a crafted HTML page.
(CVE-2021-21133)
- Incorrect security UI in Page Info in Google Chrome on iOS prior to 88.0.4324.96 allowed a remote attacker
to spoof security UI via a crafted HTML page. (CVE-2021-21134)
- Inappropriate implementation in Performance API in Google Chrome prior to 88.0.4324.96 allowed a remote
attacker to leak cross-origin data via a crafted HTML page. (CVE-2021-21135)
- Insufficient policy enforcement in WebView in Google Chrome on Android prior to 88.0.4324.96 allowed a
remote attacker to leak cross-origin data via a crafted HTML page. (CVE-2021-21136)
- Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker
to obtain potentially sensitive information from disk via a crafted HTML page. (CVE-2021-21137)
- Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially
perform a sandbox escape via a crafted file. (CVE-2021-21138)
- Inappropriate implementation in iframe sandbox in Google Chrome prior to 88.0.4324.96 allowed a remote
attacker to bypass navigation restrictions via a crafted HTML page. (CVE-2021-21139)
- Uninitialized use in USB in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially
perform out of bounds memory access via via a USB device. (CVE-2021-21140)
- Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote
attacker to bypass file extension policy via a crafted HTML page. (CVE-2021-21141)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://bodhi.fedoraproject.org/updates/FEDORA-2021-48866282e5");
script_set_attribute(attribute:"solution", value:
"Update the affected chromium package.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-21117");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2021-21132");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/01/07");
script_set_attribute(attribute:"patch_publication_date", value:"2021/01/22");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/01/25");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:33");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:chromium");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Fedora Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");
exit(0);
}
include('audit.inc');
include('global_settings.inc');
include('rpm.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item('Host/RedHat/release');
if (isnull(release) || 'Fedora' >!< release) audit(AUDIT_OS_NOT, 'Fedora');
os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Fedora');
os_ver = os_ver[1];
if (! preg(pattern:"^33([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Fedora 33', 'Fedora ' + os_ver);
if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Fedora', cpu);
pkgs = [
{'reference':'chromium-88.0.4324.96-1.fc33', 'release':'FC33', 'rpm_spec_vers_cmp':TRUE, 'allowmaj':TRUE}
];
flag = 0;
foreach package_array ( pkgs ) {
reference = NULL;
release = NULL;
sp = NULL;
cpu = NULL;
el_string = NULL;
rpm_spec_vers_cmp = NULL;
epoch = NULL;
allowmaj = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) release = package_array['release'];
if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
if (!empty_or_null(package_array['cpu'])) cpu = package_array['cpu'];
if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
if (reference && release) {
if (rpm_check(release:release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : rpm_report_get()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'chromium');
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16044
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21117
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21118
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21119
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21120
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21121
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21122
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21123
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21124
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21125
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21126
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21127
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21128
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21129
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21130
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21131
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21132
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21133
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21134
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21135
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21136
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21137
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21138
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21139
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21140
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21141
bodhi.fedoraproject.org/updates/FEDORA-2021-48866282e5
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
74.7%