9.8 High
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
8.5 High
AI Score
Confidence
High
0.024 Low
EPSS
Percentile
90.0%
The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2023:3445 advisory.
A highly-available key value store for shared configuration
Security Fix(es):
* Information discosure via debug function (CVE-2021-28235)
* html/template: improper handling of JavaScript whitespace (CVE-2023-24540)
* golang.org/x/net/http2: avoid quadratic complexity in HPACK decoding (CVE-2022-41723)
* crypto/tls: large handshake records may cause panics (CVE-2022-41724)
* net/http mime/multipart: denial of service from excessive resource consumption (CVE-2022-41725)
* net/http net/textproto: denial of service from excessive memory allocation (CVE-2023-24534)
* net/http net/textproto mime/multipart: denial of service from excessive resource consumption (CVE-2023-24536)
* go/parser: Infinite loop in parsing (CVE-2023-24537)
* html/template: backticks not treated as string delimiters (CVE-2023-24538)
* html/template: improper sanitization of CSS values (CVE-2023-24539)
* html/template: improper handling of empty HTML attributes (CVE-2023-29400)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page 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.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2023:3445. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(193752);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/04");
script_cve_id(
"CVE-2021-28235",
"CVE-2022-41723",
"CVE-2022-41724",
"CVE-2022-41725",
"CVE-2023-24534",
"CVE-2023-24536",
"CVE-2023-24537",
"CVE-2023-24538",
"CVE-2023-24539",
"CVE-2023-24540",
"CVE-2023-29400"
);
script_xref(name:"RHSA", value:"2023:3445");
script_name(english:"RHEL 8 : Red Hat OpenStack Platform 16.2 (etcd) (RHSA-2023:3445)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for Red Hat OpenStack Platform 16.2 (etcd).");
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-2023:3445 advisory.
A highly-available key value store for shared configuration
Security Fix(es):
* Information discosure via debug function (CVE-2021-28235)
* html/template: improper handling of JavaScript whitespace
(CVE-2023-24540)
* golang.org/x/net/http2: avoid quadratic complexity in HPACK decoding
(CVE-2022-41723)
* crypto/tls: large handshake records may cause panics (CVE-2022-41724)
* net/http mime/multipart: denial of service from excessive resource
consumption (CVE-2022-41725)
* net/http net/textproto: denial of service from excessive memory
allocation (CVE-2023-24534)
* net/http net/textproto mime/multipart: denial of service from excessive
resource consumption (CVE-2023-24536)
* go/parser: Infinite loop in parsing (CVE-2023-24537)
* html/template: backticks not treated as string delimiters
(CVE-2023-24538)
* html/template: improper sanitization of CSS values (CVE-2023-24539)
* html/template: improper handling of empty HTML attributes
(CVE-2023-29400)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page 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.");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2178358");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2178488");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2178492");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2184441");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2184481");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2184482");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2184483");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2184484");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2196026");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2196027");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2196029");
# https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_3445.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?83a5d237");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2023:3445");
script_set_attribute(attribute:"solution", value:
"Update the RHEL Red Hat OpenStack Platform 16.2 (etcd) package based on the guidance in RHSA-2023:3445.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/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:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-24540");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(94, 176, 287, 400, 835);
script_set_attribute(attribute:"vendor_severity", value:"Important");
script_set_attribute(attribute:"vuln_publication_date", value:"2023/02/15");
script_set_attribute(attribute:"patch_publication_date", value:"2023/06/05");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/04/23");
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:etcd");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Red Hat Local Security Checks");
script_copyright(english:"This script is Copyright (C) 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/layered/rhel8/ppc64le/openstack-cinderlib/16.2/debug',
'content/dist/layered/rhel8/ppc64le/openstack-cinderlib/16.2/os',
'content/dist/layered/rhel8/ppc64le/openstack-cinderlib/16.2/source/SRPMS',
'content/dist/layered/rhel8/ppc64le/openstack-deployment-tools/16.2/debug',
'content/dist/layered/rhel8/ppc64le/openstack-deployment-tools/16.2/os',
'content/dist/layered/rhel8/ppc64le/openstack-deployment-tools/16.2/source/SRPMS',
'content/dist/layered/rhel8/ppc64le/openstack/16.2/debug',
'content/dist/layered/rhel8/ppc64le/openstack/16.2/os',
'content/dist/layered/rhel8/ppc64le/openstack/16.2/source/SRPMS',
'content/dist/layered/rhel8/x86_64/openstack-cinderlib/16.2/debug',
'content/dist/layered/rhel8/x86_64/openstack-cinderlib/16.2/os',
'content/dist/layered/rhel8/x86_64/openstack-cinderlib/16.2/source/SRPMS',
'content/dist/layered/rhel8/x86_64/openstack-deployment-tools/16.2/debug',
'content/dist/layered/rhel8/x86_64/openstack-deployment-tools/16.2/os',
'content/dist/layered/rhel8/x86_64/openstack-deployment-tools/16.2/source/SRPMS',
'content/dist/layered/rhel8/x86_64/openstack-tools/16/debug',
'content/dist/layered/rhel8/x86_64/openstack-tools/16/os',
'content/dist/layered/rhel8/x86_64/openstack-tools/16/source/SRPMS',
'content/dist/layered/rhel8/x86_64/openstack/16.2/debug',
'content/dist/layered/rhel8/x86_64/openstack/16.2/os',
'content/dist/layered/rhel8/x86_64/openstack/16.2/source/SRPMS'
],
'pkgs': [
{'reference':'etcd-3.3.23-14.el8ost', 'cpu':'ppc64le', 'release':'8', 'el_string':'el8ost', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openstack-'},
{'reference':'etcd-3.3.23-14.el8ost', 'cpu':'x86_64', 'release':'8', 'el_string':'el8ost', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'openstack-'}
]
}
];
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, 'etcd');
}
Vendor | Product | Version | CPE |
---|---|---|---|
redhat | enterprise_linux | etcd | p-cpe:/a:redhat:enterprise_linux:etcd |
redhat | enterprise_linux | 8 | cpe:/o:redhat:enterprise_linux:8 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28235
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-41723
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-41724
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-41725
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24534
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24536
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24537
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24538
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24539
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24540
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29400
www.nessus.org/u?83a5d237
access.redhat.com/errata/RHSA-2023:3445
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=2178358
bugzilla.redhat.com/show_bug.cgi?id=2178488
bugzilla.redhat.com/show_bug.cgi?id=2178492
bugzilla.redhat.com/show_bug.cgi?id=2184441
bugzilla.redhat.com/show_bug.cgi?id=2184481
bugzilla.redhat.com/show_bug.cgi?id=2184482
bugzilla.redhat.com/show_bug.cgi?id=2184483
bugzilla.redhat.com/show_bug.cgi?id=2184484
bugzilla.redhat.com/show_bug.cgi?id=2196026
bugzilla.redhat.com/show_bug.cgi?id=2196027
bugzilla.redhat.com/show_bug.cgi?id=2196029
9.8 High
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
8.5 High
AI Score
Confidence
High
0.024 Low
EPSS
Percentile
90.0%