CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
Low
EPSS
Percentile
94.5%
The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:6667 advisory.
samba: out-of-bounds read in winbind AUTH_CRAP (CVE-2022-2127)
samba: infinite loop in mdssvc RPC service for spotlight (CVE-2023-34966)
samba: type confusion in mdssvc RPC service for spotlight (CVE-2023-34967)
samba: spotlight server-side share path disclosure (CVE-2023-34968)
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-2023:6667. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(185142);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/28");
script_cve_id(
"CVE-2022-2127",
"CVE-2023-34966",
"CVE-2023-34967",
"CVE-2023-34968"
);
script_xref(name:"IAVA", value:"2023-A-0376-S");
script_xref(name:"RHSA", value:"2023:6667");
script_name(english:"RHEL 9 : samba (RHSA-2023:6667)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2023:6667 advisory.
- samba: out-of-bounds read in winbind AUTH_CRAP (CVE-2022-2127)
- samba: infinite loop in mdssvc RPC service for spotlight (CVE-2023-34966)
- samba: type confusion in mdssvc RPC service for spotlight (CVE-2023-34967)
- samba: spotlight server-side share path disclosure (CVE-2023-34968)
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/documentation/en-us/red_hat_enterprise_linux/9/html/9.3_release_notes/index
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?619e5320");
# https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_6667.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ab6cd469");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#moderate");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2190415");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2207692");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2211605");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2211617");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2214327");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2216712");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2222791");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2222793");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2222794");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2222795");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2222883");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2023:6667");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
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:L/I:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-34968");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(125, 835, 843);
script_set_attribute(attribute:"vendor_severity", value:"Moderate");
script_set_attribute(attribute:"vuln_publication_date", value:"2023/07/20");
script_set_attribute(attribute:"patch_publication_date", value:"2023/11/07");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/11/07");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:9");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ctdb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libnetapi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libnetapi-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libsmbclient");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libsmbclient-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libwbclient");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libwbclient-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3-samba");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3-samba-dc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3-samba-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3-samba-test");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-client-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-common-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-common-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-dc-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-dcerpc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-krb5-printing");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-ldb-ldap-modules");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-pidl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-test");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-test-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-usershares");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-vfs-iouring");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-winbind");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-winbind-clients");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-winbind-krb5-locator");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-winbind-modules");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:samba-winexe");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Red Hat Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2023-2024 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: '9')) audit(AUDIT_OS_NOT, 'Red Hat 9.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 = [
{
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'content/dist/rhel9/9.1/ppc64le/baseos/debug',
'content/dist/rhel9/9.1/ppc64le/baseos/os',
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'content/dist/rhel9/9.1/ppc64le/codeready-builder/debug',
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'content/dist/rhel9/9.1/ppc64le/resilientstorage/debug',
'content/dist/rhel9/9.1/ppc64le/resilientstorage/os',
'content/dist/rhel9/9.1/ppc64le/resilientstorage/source/SRPMS',
'content/dist/rhel9/9.1/s390x/appstream/debug',
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'content/dist/rhel9/9/s390x/resilientstorage/source/SRPMS',
'content/dist/rhel9/9/x86_64/appstream/debug',
'content/dist/rhel9/9/x86_64/appstream/os',
'content/dist/rhel9/9/x86_64/appstream/source/SRPMS',
'content/dist/rhel9/9/x86_64/baseos/debug',
'content/dist/rhel9/9/x86_64/baseos/os',
'content/dist/rhel9/9/x86_64/baseos/source/SRPMS',
'content/dist/rhel9/9/x86_64/codeready-builder/debug',
'content/dist/rhel9/9/x86_64/codeready-builder/os',
'content/dist/rhel9/9/x86_64/codeready-builder/source/SRPMS',
'content/dist/rhel9/9/x86_64/resilientstorage/debug',
'content/dist/rhel9/9/x86_64/resilientstorage/os',
'content/dist/rhel9/9/x86_64/resilientstorage/source/SRPMS'
],
'pkgs': [
{'reference':'ctdb-4.18.6-100.el9', 'cpu':'ppc64le', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ctdb-4.18.6-100.el9', 'cpu':'s390x', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ctdb-4.18.6-100.el9', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libnetapi-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libnetapi-devel-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libsmbclient-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libsmbclient-devel-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libwbclient-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libwbclient-devel-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-samba-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-samba-dc-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-samba-devel-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-samba-test-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-client-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-client-libs-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-common-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-common-libs-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-common-tools-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-dc-libs-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-dcerpc-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-devel-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-krb5-printing-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-ldb-ldap-modules-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-libs-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-pidl-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-test-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-test-libs-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-tools-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-usershares-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-vfs-iouring-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-winbind-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-winbind-clients-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-winbind-krb5-locator-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-winbind-modules-4.18.6-100.el9', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'samba-winexe-4.18.6-100.el9', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':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_WARNING,
extra : extra
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'ctdb / libnetapi / libnetapi-devel / libsmbclient / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
redhat | enterprise_linux | 9 | cpe:/o:redhat:enterprise_linux:9 |
redhat | enterprise_linux | ctdb | p-cpe:/a:redhat:enterprise_linux:ctdb |
redhat | enterprise_linux | libnetapi | p-cpe:/a:redhat:enterprise_linux:libnetapi |
redhat | enterprise_linux | libnetapi-devel | p-cpe:/a:redhat:enterprise_linux:libnetapi-devel |
redhat | enterprise_linux | libsmbclient | p-cpe:/a:redhat:enterprise_linux:libsmbclient |
redhat | enterprise_linux | libsmbclient-devel | p-cpe:/a:redhat:enterprise_linux:libsmbclient-devel |
redhat | enterprise_linux | libwbclient | p-cpe:/a:redhat:enterprise_linux:libwbclient |
redhat | enterprise_linux | libwbclient-devel | p-cpe:/a:redhat:enterprise_linux:libwbclient-devel |
redhat | enterprise_linux | python3-samba | p-cpe:/a:redhat:enterprise_linux:python3-samba |
redhat | enterprise_linux | python3-samba-dc | p-cpe:/a:redhat:enterprise_linux:python3-samba-dc |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2127
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-34966
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-34967
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-34968
www.nessus.org/u?619e5320
www.nessus.org/u?ab6cd469
access.redhat.com/errata/RHSA-2023:6667
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=2190415
bugzilla.redhat.com/show_bug.cgi?id=2207692
bugzilla.redhat.com/show_bug.cgi?id=2211605
bugzilla.redhat.com/show_bug.cgi?id=2211617
bugzilla.redhat.com/show_bug.cgi?id=2214327
bugzilla.redhat.com/show_bug.cgi?id=2216712
bugzilla.redhat.com/show_bug.cgi?id=2222791
bugzilla.redhat.com/show_bug.cgi?id=2222793
bugzilla.redhat.com/show_bug.cgi?id=2222794
bugzilla.redhat.com/show_bug.cgi?id=2222795
bugzilla.redhat.com/show_bug.cgi?id=2222883
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
Low
EPSS
Percentile
94.5%