CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
97.6%
The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:0820 advisory.
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 68.6.0 ESR.
Security Fix(es):
* Mozilla: Use-after-free when removing data about origins (CVE-2020-6805)
* Mozilla: BodyStream::OnInputStreamReady was missing protections against state confusion (CVE-2020-6806)
* Mozilla: Use-after-free in cubeb during stream destruction (CVE-2020-6807)
* Mozilla: Memory safety bugs fixed in Firefox 74 and Firefox ESR 68.6 (CVE-2020-6814)
* Mozilla: Out of bounds reads in sctp_load_addresses_from_init (CVE-2019-20503)
* Mozilla: Devtools' 'Copy as cURL' feature did not fully escape website-controlled data, potentially leading to command injection (CVE-2020-6811)
* Mozilla: The names of AirPods with personally identifiable information were exposed to websites with camera or microphone permission (CVE-2020-6812)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2020:0820. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(134667);
script_version("1.12");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/04");
script_cve_id(
"CVE-2019-20503",
"CVE-2020-6805",
"CVE-2020-6806",
"CVE-2020-6807",
"CVE-2020-6811",
"CVE-2020-6812",
"CVE-2020-6814"
);
script_xref(name:"RHSA", value:"2020:0820");
script_xref(name:"IAVA", value:"2020-A-0097-S");
script_name(english:"RHEL 8 : firefox (RHSA-2020:0820)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for firefox.");
script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as
referenced in the RHSA-2020:0820 advisory.
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and
portability.
This update upgrades Firefox to version 68.6.0 ESR.
Security Fix(es):
* Mozilla: Use-after-free when removing data about origins (CVE-2020-6805)
* Mozilla: BodyStream::OnInputStreamReady was missing protections against state confusion (CVE-2020-6806)
* Mozilla: Use-after-free in cubeb during stream destruction (CVE-2020-6807)
* Mozilla: Memory safety bugs fixed in Firefox 74 and Firefox ESR 68.6 (CVE-2020-6814)
* Mozilla: Out of bounds reads in sctp_load_addresses_from_init (CVE-2019-20503)
* Mozilla: Devtools' 'Copy as cURL' feature did not fully escape website-controlled data, potentially
leading to command injection (CVE-2020-6811)
* Mozilla: The names of AirPods with personally identifiable information were exposed to websites with
camera or microphone permission (CVE-2020-6812)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and
other related information, refer to the CVE page(s) listed in the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
# https://access.redhat.com/security/data/csaf/v2/advisories/2020/rhsa-2020_0820.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ce0048fc");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2020:0820");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1812199");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1812200");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1812201");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1812202");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1812203");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1812204");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1812205");
script_set_attribute(attribute:"solution", value:
"Update the RHEL firefox package based on the guidance in RHSA-2020:0820.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
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:N/S:U/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-2020-6814");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_cwe_id(78, 120, 125, 200, 416);
script_set_attribute(attribute:"vendor_severity", value:"Important");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/06");
script_set_attribute(attribute:"patch_publication_date", value:"2020/03/16");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/03/18");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:firefox");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_set_attribute(attribute:"stig_severity", value:"II");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Red Hat Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");
exit(0);
}
include('rpm.inc');
include('rhel.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
os_ver = os_ver[1];
if (!rhel_check_release(operator: 'ge', os_version: os_ver, rhel_version: '8')) audit(AUDIT_OS_NOT, 'Red Hat 8.x', 'Red Hat ' + os_ver);
if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var 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 && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);
var constraints = [
{
'repo_relative_urls': [
'content/dist/rhel8/8.10/aarch64/appstream/debug',
'content/dist/rhel8/8.10/aarch64/appstream/os',
'content/dist/rhel8/8.10/aarch64/appstream/source/SRPMS',
'content/dist/rhel8/8.10/ppc64le/appstream/debug',
'content/dist/rhel8/8.10/ppc64le/appstream/os',
'content/dist/rhel8/8.10/ppc64le/appstream/source/SRPMS',
'content/dist/rhel8/8.10/s390x/appstream/debug',
'content/dist/rhel8/8.10/s390x/appstream/os',
'content/dist/rhel8/8.10/s390x/appstream/source/SRPMS',
'content/dist/rhel8/8.10/x86_64/appstream/debug',
'content/dist/rhel8/8.10/x86_64/appstream/os',
'content/dist/rhel8/8.10/x86_64/appstream/source/SRPMS',
'content/dist/rhel8/8.6/aarch64/appstream/debug',
'content/dist/rhel8/8.6/aarch64/appstream/os',
'content/dist/rhel8/8.6/aarch64/appstream/source/SRPMS',
'content/dist/rhel8/8.6/ppc64le/appstream/debug',
'content/dist/rhel8/8.6/ppc64le/appstream/os',
'content/dist/rhel8/8.6/ppc64le/appstream/source/SRPMS',
'content/dist/rhel8/8.6/s390x/appstream/debug',
'content/dist/rhel8/8.6/s390x/appstream/os',
'content/dist/rhel8/8.6/s390x/appstream/source/SRPMS',
'content/dist/rhel8/8.6/x86_64/appstream/debug',
'content/dist/rhel8/8.6/x86_64/appstream/os',
'content/dist/rhel8/8.6/x86_64/appstream/source/SRPMS',
'content/dist/rhel8/8.8/aarch64/appstream/debug',
'content/dist/rhel8/8.8/aarch64/appstream/os',
'content/dist/rhel8/8.8/aarch64/appstream/source/SRPMS',
'content/dist/rhel8/8.8/ppc64le/appstream/debug',
'content/dist/rhel8/8.8/ppc64le/appstream/os',
'content/dist/rhel8/8.8/ppc64le/appstream/source/SRPMS',
'content/dist/rhel8/8.8/s390x/appstream/debug',
'content/dist/rhel8/8.8/s390x/appstream/os',
'content/dist/rhel8/8.8/s390x/appstream/source/SRPMS',
'content/dist/rhel8/8.8/x86_64/appstream/debug',
'content/dist/rhel8/8.8/x86_64/appstream/os',
'content/dist/rhel8/8.8/x86_64/appstream/source/SRPMS',
'content/dist/rhel8/8.9/aarch64/appstream/debug',
'content/dist/rhel8/8.9/aarch64/appstream/os',
'content/dist/rhel8/8.9/aarch64/appstream/source/SRPMS',
'content/dist/rhel8/8.9/ppc64le/appstream/debug',
'content/dist/rhel8/8.9/ppc64le/appstream/os',
'content/dist/rhel8/8.9/ppc64le/appstream/source/SRPMS',
'content/dist/rhel8/8.9/s390x/appstream/debug',
'content/dist/rhel8/8.9/s390x/appstream/os',
'content/dist/rhel8/8.9/s390x/appstream/source/SRPMS',
'content/dist/rhel8/8.9/x86_64/appstream/debug',
'content/dist/rhel8/8.9/x86_64/appstream/os',
'content/dist/rhel8/8.9/x86_64/appstream/source/SRPMS',
'content/dist/rhel8/8/aarch64/appstream/debug',
'content/dist/rhel8/8/aarch64/appstream/os',
'content/dist/rhel8/8/aarch64/appstream/source/SRPMS',
'content/dist/rhel8/8/ppc64le/appstream/debug',
'content/dist/rhel8/8/ppc64le/appstream/os',
'content/dist/rhel8/8/ppc64le/appstream/source/SRPMS',
'content/dist/rhel8/8/s390x/appstream/debug',
'content/dist/rhel8/8/s390x/appstream/os',
'content/dist/rhel8/8/s390x/appstream/source/SRPMS',
'content/dist/rhel8/8/x86_64/appstream/debug',
'content/dist/rhel8/8/x86_64/appstream/os',
'content/dist/rhel8/8/x86_64/appstream/source/SRPMS'
],
'pkgs': [
{'reference':'firefox-68.6.0-1.el8_1', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'allowmaj':TRUE}
]
}
];
var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);
var flag = 0;
foreach var constraint_array ( constraints ) {
var repo_relative_urls = NULL;
if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];
foreach var pkg ( constraint_array['pkgs'] ) {
var reference = NULL;
var _release = NULL;
var sp = NULL;
var _cpu = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var epoch = NULL;
var allowmaj = NULL;
var exists_check = NULL;
var cves = NULL;
if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
if (reference &&
_release &&
rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
(applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&
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, cves:cves)) flag++;
}
}
if (flag)
{
var extra = NULL;
if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
else extra = rpm_report_get();
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : extra
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'firefox');
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20503
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6805
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6806
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6807
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6811
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6812
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6814
www.nessus.org/u?ce0048fc
access.redhat.com/errata/RHSA-2020:0820
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1812199
bugzilla.redhat.com/show_bug.cgi?id=1812200
bugzilla.redhat.com/show_bug.cgi?id=1812201
bugzilla.redhat.com/show_bug.cgi?id=1812202
bugzilla.redhat.com/show_bug.cgi?id=1812203
bugzilla.redhat.com/show_bug.cgi?id=1812204
bugzilla.redhat.com/show_bug.cgi?id=1812205
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
97.6%