CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
Percentile
30.7%
The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2022-0368 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 70300
##
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2022-0368.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(157317);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/13");
script_cve_id("CVE-2021-3521");
script_name(english:"Oracle Linux 8 : rpm (ELSA-2022-0368)");
script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the
ELSA-2022-0368 advisory.
- rpm: RPM does not require subkeys to have a valid binding signature (CVE-2021-3521)
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://linux.oracle.com/errata/ELSA-2022-0368.html");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:H/Au:N/C:N/I:C/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:H/PR:N/UI:R/S:U/C:N/I:H/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-2021-3521");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2022/01/25");
script_set_attribute(attribute:"patch_publication_date", value:"2022/02/02");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/02/02");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:8");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:python3-rpm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-apidocs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-build");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-build-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-cron");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-plugin-fapolicyd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-plugin-ima");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-plugin-prioreset");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-plugin-selinux");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-plugin-syslog");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-plugin-systemd-inhibit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:rpm-sign");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Oracle Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/local_checks_enabled");
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);
if (!get_kb_item('Host/OracleLinux')) audit(AUDIT_OS_NOT, 'Oracle Linux');
var release = get_kb_item("Host/RedHat/release");
if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
var os_ver = os_ver[1];
if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Oracle Linux 8', 'Oracle Linux ' + os_ver);
if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Oracle Linux', cpu);
var pkgs = [
{'reference':'python3-rpm-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-rpm-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-apidocs-4.14.3-19.el8_5.2', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-build-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-build-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-build-libs-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-build-libs-4.14.3-19.el8_5.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-build-libs-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-cron-4.14.3-19.el8_5.2', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-devel-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-devel-4.14.3-19.el8_5.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-devel-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-libs-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-libs-4.14.3-19.el8_5.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-libs-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-fapolicyd-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-fapolicyd-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-ima-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-ima-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-prioreset-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-prioreset-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-selinux-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-selinux-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-syslog-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-syslog-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-systemd-inhibit-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-plugin-systemd-inhibit-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-sign-4.14.3-19.el8_5.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rpm-sign-4.14.3-19.el8_5.2', 'cpu':'x86_64', 'release':'8', '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 = 'EL' + 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) {
if (exists_check) {
if (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)) flag++;
} else {
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
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'python3-rpm / rpm / rpm-apidocs / etc');
}