2.8 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
6.8 Medium
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
15.5%
The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2024:1139 advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# AlmaLinux Security Advisory ALSA-2024:1139.
##
include('compat.inc');
if (description)
{
script_id(191685);
script_version("1.0");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/07");
script_cve_id("CVE-2023-3674");
script_xref(name:"ALSA", value:"2024:1139");
script_name(english:"AlmaLinux 9 : keylime (ALSA-2024:1139)");
script_set_attribute(attribute:"synopsis", value:
"The remote AlmaLinux host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the
ALSA-2024:1139 advisory.
- A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote
as faulty when the quote's signature does not validate for some reason. Instead, it will only emit an
error in the log without flagging the device as untrusted. (CVE-2023-3674)
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://errata.almalinux.org/9/ALSA-2024-1139.html");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:N/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/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-2023-3674");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(1283);
script_set_attribute(attribute:"vuln_publication_date", value:"2023/07/19");
script_set_attribute(attribute:"patch_publication_date", value:"2024/03/05");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/03/07");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:keylime");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:keylime-base");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:keylime-registrar");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:keylime-selinux");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:keylime-tenant");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:keylime-verifier");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:python3-keylime");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::appstream");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::baseos");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::crb");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::highavailability");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::nfv");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::realtime");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::resilientstorage");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::sap");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::sap_hana");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::supplementary");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Alma Linux 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");
script_require_keys("Host/local_checks_enabled", "Host/AlmaLinux/release", "Host/AlmaLinux/rpm-list", "Host/cpu");
exit(0);
}
include('rpm.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/AlmaLinux/release');
if (isnull(os_release) || 'AlmaLinux' >!< os_release) audit(AUDIT_OS_NOT, 'AlmaLinux');
var os_ver = pregmatch(pattern: "AlmaLinux release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'AlmaLinux');
os_ver = os_ver[1];
if (! preg(pattern:"^9([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'AlmaLinux 9.x', 'AlmaLinux ' + os_ver);
if (!get_kb_item('Host/AlmaLinux/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'AlmaLinux', cpu);
var pkgs = [
{'reference':'keylime-7.3.0-13.el9_3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'keylime-7.3.0-13.el9_3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'keylime-base-7.3.0-13.el9_3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'keylime-base-7.3.0-13.el9_3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'keylime-registrar-7.3.0-13.el9_3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'keylime-registrar-7.3.0-13.el9_3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'keylime-selinux-7.3.0-13.el9_3', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'keylime-tenant-7.3.0-13.el9_3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'keylime-tenant-7.3.0-13.el9_3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'keylime-verifier-7.3.0-13.el9_3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'keylime-verifier-7.3.0-13.el9_3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-keylime-7.3.0-13.el9_3', 'cpu':'aarch64', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-keylime-7.3.0-13.el9_3', 'cpu':'x86_64', 'release':'9', 'rpm_spec_vers_cmp':TRUE}
];
var flag = 0;
foreach var package_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;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) _release = 'Alma-' + 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 (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
if (reference && _release && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {
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_NOTE,
extra : rpm_report_get()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'keylime / keylime-base / keylime-registrar / keylime-selinux / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
alma | linux | keylime | p-cpe:/a:alma:linux:keylime |
alma | linux | keylime-base | p-cpe:/a:alma:linux:keylime-base |
alma | linux | keylime-registrar | p-cpe:/a:alma:linux:keylime-registrar |
alma | linux | keylime-selinux | p-cpe:/a:alma:linux:keylime-selinux |
alma | linux | keylime-tenant | p-cpe:/a:alma:linux:keylime-tenant |
alma | linux | keylime-verifier | p-cpe:/a:alma:linux:keylime-verifier |
alma | linux | python3-keylime | p-cpe:/a:alma:linux:python3-keylime |
alma | linux | 9 | cpe:/o:alma:linux:9 |
alma | linux | 9 | cpe:/o:alma:linux:9::appstream |
alma | linux | 9 | cpe:/o:alma:linux:9::baseos |
2.8 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
6.8 Medium
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
15.5%