RHEL 8 : ruby:3.0 (RHSA-2024:3500)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2024:3500. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(198157);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/07");

  script_cve_id(
    "CVE-2021-33621",
    "CVE-2023-28755",
    "CVE-2023-28756",
    "CVE-2024-27280",
    "CVE-2024-27281",
    "CVE-2024-27282"
  );
  script_xref(name:"RHSA", value:"2024:3500");
  script_xref(name:"IAVA", value:"2024-A-0328");

  script_name(english:"RHEL 8 : ruby:3.0 (RHSA-2024:3500)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for ruby:3.0.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2024:3500 advisory.

    Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text
    files and to perform system management tasks.

    Security Fix(es):

    * ruby/cgi-gem: HTTP response splitting in CGI (CVE-2021-33621)

    * ruby: ReDoS vulnerability in URI (CVE-2023-28755)

    * ruby: ReDoS vulnerability in Time (CVE-2023-28756)

    * ruby: RCE vulnerability with .rdoc_options in RDoc (CVE-2024-27281)

    * ruby: Buffer overread vulnerability in StringIO (CVE-2024-27280)

    * ruby: Arbitrary memory address read vulnerability with Regex search (CVE-2024-27282)

    For more details about the security issue(s), including the impact, a CVSS
    score, acknowledgments, and other related information, refer to the CVE page(s) 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/#moderate");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2149706");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2184059");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2184061");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2270749");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2270750");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2276810");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_3500.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?22c06adf");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2024:3500");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL ruby:3.0 package based on the guidance in RHSA-2024:3500.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-33621");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(20, 113, 125);
  script_set_attribute(attribute:"vendor_severity", value:"Moderate");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/11/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/05/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/05/30");

  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:ruby");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby-default-gems");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-abrt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-abrt-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-bigdecimal");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-bundler");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-io-console");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-irb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-json");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-minitest");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-mysql2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-mysql2-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-pg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-pg-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-power_assert");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-psych");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-rake");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-rbs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-rdoc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-rexml");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-rss");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-test-unit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-typeprof");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygems");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygems-devel");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"II");
  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 appstreams = {
  'ruby:3.0': [
    {
      'repo_relative_urls': [
        'content/dist/rhel8/8.10/aarch64/appstream/debug',
        'content/dist/rhel8/8.10/aarch64/appstream/os',
        'content/dist/rhel8/8.10/aarch64/appstream/source/SRPMS',
        'content/dist/rhel8/8.10/ppc64le/appstream/debug',
        'content/dist/rhel8/8.10/ppc64le/appstream/os',
        'content/dist/rhel8/8.10/ppc64le/appstream/source/SRPMS',
        'content/dist/rhel8/8.10/s390x/appstream/debug',
        'content/dist/rhel8/8.10/s390x/appstream/os',
        'content/dist/rhel8/8.10/s390x/appstream/source/SRPMS',
        'content/dist/rhel8/8.10/x86_64/appstream/debug',
        'content/dist/rhel8/8.10/x86_64/appstream/os',
        'content/dist/rhel8/8.10/x86_64/appstream/source/SRPMS',
        'content/dist/rhel8/8.6/aarch64/appstream/debug',
        'content/dist/rhel8/8.6/aarch64/appstream/os',
        'content/dist/rhel8/8.6/aarch64/appstream/source/SRPMS',
        'content/dist/rhel8/8.6/ppc64le/appstream/debug',
        'content/dist/rhel8/8.6/ppc64le/appstream/os',
        'content/dist/rhel8/8.6/ppc64le/appstream/source/SRPMS',
        'content/dist/rhel8/8.6/s390x/appstream/debug',
        'content/dist/rhel8/8.6/s390x/appstream/os',
        'content/dist/rhel8/8.6/s390x/appstream/source/SRPMS',
        'content/dist/rhel8/8.6/x86_64/appstream/debug',
        'content/dist/rhel8/8.6/x86_64/appstream/os',
        'content/dist/rhel8/8.6/x86_64/appstream/source/SRPMS',
        'content/dist/rhel8/8.8/aarch64/appstream/debug',
        'content/dist/rhel8/8.8/aarch64/appstream/os',
        'content/dist/rhel8/8.8/aarch64/appstream/source/SRPMS',
        'content/dist/rhel8/8.8/ppc64le/appstream/debug',
        'content/dist/rhel8/8.8/ppc64le/appstream/os',
        'content/dist/rhel8/8.8/ppc64le/appstream/source/SRPMS',
        'content/dist/rhel8/8.8/s390x/appstream/debug',
        'content/dist/rhel8/8.8/s390x/appstream/os',
        'content/dist/rhel8/8.8/s390x/appstream/source/SRPMS',
        'content/dist/rhel8/8.8/x86_64/appstream/debug',
        'content/dist/rhel8/8.8/x86_64/appstream/os',
        'content/dist/rhel8/8.8/x86_64/appstream/source/SRPMS',
        'content/dist/rhel8/8.9/aarch64/appstream/debug',
        'content/dist/rhel8/8.9/aarch64/appstream/os',
        'content/dist/rhel8/8.9/aarch64/appstream/source/SRPMS',
        'content/dist/rhel8/8.9/ppc64le/appstream/debug',
        'content/dist/rhel8/8.9/ppc64le/appstream/os',
        'content/dist/rhel8/8.9/ppc64le/appstream/source/SRPMS',
        'content/dist/rhel8/8.9/s390x/appstream/debug',
        'content/dist/rhel8/8.9/s390x/appstream/os',
        'content/dist/rhel8/8.9/s390x/appstream/source/SRPMS',
        'content/dist/rhel8/8.9/x86_64/appstream/debug',
        'content/dist/rhel8/8.9/x86_64/appstream/os',
        'content/dist/rhel8/8.9/x86_64/appstream/source/SRPMS',
        'content/dist/rhel8/8/aarch64/appstream/debug',
        'content/dist/rhel8/8/aarch64/appstream/os',
        'content/dist/rhel8/8/aarch64/appstream/source/SRPMS',
        'content/dist/rhel8/8/ppc64le/appstream/debug',
        'content/dist/rhel8/8/ppc64le/appstream/os',
        'content/dist/rhel8/8/ppc64le/appstream/source/SRPMS',
        'content/dist/rhel8/8/s390x/appstream/debug',
        'content/dist/rhel8/8/s390x/appstream/os',
        'content/dist/rhel8/8/s390x/appstream/source/SRPMS',
        'content/dist/rhel8/8/x86_64/appstream/debug',
        'content/dist/rhel8/8/x86_64/appstream/os',
        'content/dist/rhel8/8/x86_64/appstream/source/SRPMS'
      ],
      'pkgs': [
        {'reference':'ruby-3.0.7-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'ruby-default-gems-3.0.7-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'ruby-devel-3.0.7-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'ruby-doc-3.0.7-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'ruby-libs-3.0.7-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-abrt-0.4.0-1.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-abrt-doc-0.4.0-1.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-bigdecimal-3.0.0-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-bundler-2.2.33-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-io-console-0.5.7-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-irb-1.3.5-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-json-2.5.1-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-minitest-5.14.2-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-mysql2-0.5.3-2.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-mysql2-doc-0.5.3-2.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-pg-1.2.3-1.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-pg-doc-1.2.3-1.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-power_assert-1.2.1-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-psych-3.3.2-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-rake-13.0.3-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-rbs-1.4.0-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-rdoc-6.3.4.1-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-rexml-3.2.5-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-rss-0.2.9-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-test-unit-3.3.7-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygem-typeprof-0.15.2-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygems-3.2.33-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
        {'reference':'rubygems-devel-3.2.33-143.module+el8.10.0+21858+d19f3934', 'release':'8', 'rpm_spec_vers_cmp':TRUE}
      ]
    }
  ]
};

var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:appstreams, appstreams:TRUE);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);

var module_ver = get_kb_item('Host/RedHat/appstream/ruby');
if (isnull(module_ver)) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module ruby:3.0');
if ('3.0' >!< module_ver) audit(AUDIT_PACKAGE_NOT_AFFECTED, 'Module ruby:' + module_ver);

var flag = 0;
var appstreams_found = 0;
foreach var 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 var module_array ( appstreams[module] ) {
      var repo_relative_urls = NULL;
      if (!empty_or_null(module_array['repo_relative_urls'])) repo_relative_urls = module_array['repo_relative_urls'];
      foreach var package_array ( module_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(package_array['reference'])) reference = package_array['reference'];
        if (!empty_or_null(package_array['release'])) _release = 'RHEL' + 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 (!empty_or_null(package_array['cves'])) cves = package_array['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 (!appstreams_found) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module ruby:3.0');

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, 'ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc');
}