The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2019:1972 advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# Red Hat Security Advisory RHSA-2019:1972. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(145670);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/02/08");
script_cve_id("CVE-2019-8324");
script_xref(name:"RHSA", value:"2019:1972");
script_name(english:"CentOS 8 : ruby:2.5 (CESA-2019:1972)");
script_set_attribute(attribute:"synopsis", value:
"The remote CentOS host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the
CESA-2019:1972 advisory.
- rubygems: Installing a malicious gem may lead to arbitrary code execution (CVE-2019-8324)
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://access.redhat.com/errata/RHSA-2019:1972");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
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:R/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-2019-8324");
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:"2019/04/23");
script_set_attribute(attribute:"patch_publication_date", value:"2019/08/07");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/01/29");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:8");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:ruby");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:ruby-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:ruby-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:ruby-irb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:ruby-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-abrt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-abrt-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-bigdecimal");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-bson");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-bson-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-bundler");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-bundler-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-did_you_mean");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-io-console");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-json");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-minitest");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-mongo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-mongo-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-mysql2");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-mysql2-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-net-telnet");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-openssl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-pg");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-pg-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-power_assert");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-psych");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-rake");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-rdoc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-test-unit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygem-xmlrpc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygems");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:rubygems-devel");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"CentOS Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/CentOS/release", "Host/CentOS/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/CentOS/release');
if (isnull(os_release) || 'CentOS' >!< os_release) audit(AUDIT_OS_NOT, 'CentOS');
var os_ver = pregmatch(pattern: "CentOS(?: Stream)?(?: Linux)? release ([0-9]+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'CentOS');
os_ver = os_ver[1];
if ('CentOS Stream' >< os_release) audit(AUDIT_OS_NOT, 'CentOS 8.x', 'CentOS Stream ' + os_ver);
if (!rhel_check_release(operator: 'ge', os_version: os_ver, rhel_version: '8')) audit(AUDIT_OS_NOT, 'CentOS 8.x', 'CentOS ' + os_ver);
if (!get_kb_item('Host/CentOS/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, 'CentOS', cpu);
var module_ver = get_kb_item('Host/RedHat/appstream/ruby');
if (isnull(module_ver)) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module ruby:2.5');
if ('2.5' >!< module_ver) audit(AUDIT_PACKAGE_NOT_AFFECTED, 'Module ruby:' + module_ver);
var appstreams = {
'ruby:2.5': [
{'reference':'ruby-2.5.3-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ruby-2.5.3-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ruby-devel-2.5.3-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ruby-devel-2.5.3-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ruby-doc-2.5.3-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ruby-doc-2.5.3-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ruby-irb-2.5.3-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ruby-irb-2.5.3-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ruby-libs-2.5.3-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ruby-libs-2.5.3-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-abrt-0.3.0-4.module_el8.0.0+17+bd0735cc', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-abrt-0.3.0-4.module_el8.0.0+17+bd0735cc', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-abrt-doc-0.3.0-4.module_el8.0.0+17+bd0735cc', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-abrt-doc-0.3.0-4.module_el8.0.0+17+bd0735cc', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-bigdecimal-1.3.4-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-bigdecimal-1.3.4-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-bson-4.3.0-2.module_el8.0.0+17+bd0735cc', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-bson-4.3.0-2.module_el8.0.0+17+bd0735cc', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-bson-doc-4.3.0-2.module_el8.0.0+17+bd0735cc', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-bson-doc-4.3.0-2.module_el8.0.0+17+bd0735cc', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-bundler-1.16.1-3.module_el8.0.0+17+bd0735cc', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-bundler-1.16.1-3.module_el8.0.0+17+bd0735cc', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-bundler-doc-1.16.1-3.module_el8.0.0+17+bd0735cc', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-bundler-doc-1.16.1-3.module_el8.0.0+17+bd0735cc', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-did_you_mean-1.2.0-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-did_you_mean-1.2.0-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-io-console-0.4.6-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-io-console-0.4.6-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-json-2.1.0-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-json-2.1.0-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-minitest-5.10.3-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-minitest-5.10.3-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-mongo-2.5.1-2.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-mongo-2.5.1-2.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-mongo-doc-2.5.1-2.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-mongo-doc-2.5.1-2.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-mysql2-0.4.10-4.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-mysql2-0.4.10-4.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-mysql2-doc-0.4.10-4.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-mysql2-doc-0.4.10-4.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-net-telnet-0.1.1-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-net-telnet-0.1.1-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-openssl-2.1.2-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-openssl-2.1.2-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-pg-1.0.0-2.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-pg-1.0.0-2.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-pg-doc-1.0.0-2.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-pg-doc-1.0.0-2.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-power_assert-1.1.1-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-power_assert-1.1.1-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-psych-3.0.2-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-psych-3.0.2-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-rake-12.3.0-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-rake-12.3.0-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-rdoc-6.0.1-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-rdoc-6.0.1-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-test-unit-3.2.7-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-test-unit-3.2.7-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-xmlrpc-0.3.0-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygem-xmlrpc-0.3.0-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygems-2.7.6-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygems-2.7.6-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygems-devel-2.7.6-104.module_el8.0.0+179+565e49e2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'rubygems-devel-2.7.6-104.module_el8.0.0+179+565e49e2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE}
]
};
var flag = 0;
appstreams_found = 0;
foreach module (keys(appstreams)) {
var appstream = NULL;
var appstream_name = NULL;
var appstream_version = NULL;
var appstream_split = split(module, sep:':', keep:FALSE);
if (!empty_or_null(appstream_split)) {
appstream_name = appstream_split[0];
appstream_version = appstream_split[1];
if (!empty_or_null(appstream_name)) appstream = get_one_kb_item('Host/RedHat/appstream/' + appstream_name);
}
if (!empty_or_null(appstream) && appstream_version == appstream || appstream_name == 'all') {
appstreams_found++;
foreach package_array ( appstreams[module] ) {
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;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) _release = 'CentOS-' + 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 (reference && _release) {
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 (!appstreams_found) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module ruby:2.5');
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, 'ruby / ruby-devel / ruby-doc / ruby-irb / ruby-libs / rubygem-abrt / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
centos | centos | 8 | cpe:/o:centos:centos:8 |
centos | centos | ruby | p-cpe:/a:centos:centos:ruby |
centos | centos | ruby-devel | p-cpe:/a:centos:centos:ruby-devel |
centos | centos | ruby-doc | p-cpe:/a:centos:centos:ruby-doc |
centos | centos | ruby-irb | p-cpe:/a:centos:centos:ruby-irb |
centos | centos | ruby-libs | p-cpe:/a:centos:centos:ruby-libs |
centos | centos | rubygem-abrt | p-cpe:/a:centos:centos:rubygem-abrt |
centos | centos | rubygem-abrt-doc | p-cpe:/a:centos:centos:rubygem-abrt-doc |
centos | centos | rubygem-bigdecimal | p-cpe:/a:centos:centos:rubygem-bigdecimal |
centos | centos | rubygem-bson | p-cpe:/a:centos:centos:rubygem-bson |