AlmaLinux 8 : ruby:3.0 (ALSA-2024:3500)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# AlmaLinux Security Advisory ALSA-2024:3500.
##

include('compat.inc');

if (description)
{
  script_id(198232);
  script_version("1.2");
  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:"ALSA", value:"2024:3500");
  script_xref(name:"IAVA", value:"2024-A-0328");

  script_name(english:"AlmaLinux 8 : ruby:3.0 (ALSA-2024:3500)");

  script_set_attribute(attribute:"synopsis", value:
"The remote AlmaLinux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the
ALSA-2024:3500 advisory.

    * 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)

Tenable has extracted the preceding description block directly from the AlmaLinux 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://errata.almalinux.org/8/ALSA-2024-3500.html");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  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(113, 125, 20);

  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:"2024/05/31");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:ruby");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:ruby-default-gems");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:ruby-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:ruby-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:ruby-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-abrt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-abrt-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-bigdecimal");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-bundler");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-io-console");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-irb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-json");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-minitest");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-mysql2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-mysql2-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-pg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-pg-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-power_assert");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-psych");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-rake");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-rbs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-rdoc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-rexml");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-rss");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-test-unit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygem-typeprof");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygems");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:rubygems-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::appstream");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::baseos");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::highavailability");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::nfv");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::powertools");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::realtime");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::resilientstorage");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::sap");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::sap_hana");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::supplementary");
  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:"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:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'AlmaLinux 8.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 module_ver = get_kb_item('Host/AlmaLinux/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 appstreams = {
    'ruby:3.0': [
      {'reference':'ruby-3.0.7-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'ruby-default-gems-3.0.7-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'ruby-devel-3.0.7-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'ruby-doc-3.0.7-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'ruby-libs-3.0.7-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-abrt-0.4.0-1.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-abrt-doc-0.4.0-1.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-bigdecimal-3.0.0-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-bundler-2.2.33-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-io-console-0.5.7-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-irb-1.3.5-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-json-2.5.1-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-minitest-5.14.2-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-mysql2-0.5.3-2.module_el8.10.0+3852+ce828b19', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-mysql2-0.5.3-2.module_el8.10.0+3852+ce828b19', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-mysql2-doc-0.5.3-2.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-pg-1.2.3-1.module_el8.10.0+3852+ce828b19', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-pg-1.2.3-1.module_el8.10.0+3852+ce828b19', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-pg-doc-1.2.3-1.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-power_assert-1.2.1-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-psych-3.3.2-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-rake-13.0.3-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-rbs-1.4.0-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-rdoc-6.3.4.1-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-rexml-3.2.5-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-rss-0.2.9-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-test-unit-3.3.7-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygem-typeprof-0.15.2-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygems-3.2.33-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rubygems-devel-3.2.33-143.module_el8.10.0+3852+ce828b19', 'release':'8', 'rpm_spec_vers_cmp':TRUE}
    ]
};

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/AlmaLinux/appstream/' + appstream_name);
  }
  if (!empty_or_null(appstream) && appstream_version == appstream || appstream_name == 'all') {
    appstreams_found++;
    foreach var 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;
      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 (!appstreams_found) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module ruby:3.0');

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      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-default-gems / ruby-devel / ruby-doc / ruby-libs / etc');
}