MiracleLinux 8 : ruby:2.5 (AXSA:2022-3747:01)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# Miracle Linux Security Advisory AXSA:2022-3747:01.
##

include('compat.inc');

if (description)
{
  script_id(291901);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/20");

  script_cve_id("CVE-2021-41817", "CVE-2021-41819");

  script_name(english:"MiracleLinux 8 : ruby:2.5 (AXSA:2022-3747:01)");

  script_set_attribute(attribute:"synopsis", value:
"The remote MiracleLinux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the
AXSA:2022-3747:01 advisory.

    * ruby: Regular expression denial of service vulnerability of Date parsing
    methods (CVE-2021-41817)
      * ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)

Tenable has extracted the preceding description block directly from the MiracleLinux 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://tsn.miraclelinux.com/en/node/14931");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
  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:N/UI:N/S:U/C:N/I:H/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-41819");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/11/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/08/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/01/20");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:ruby");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:ruby-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:ruby-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:ruby-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:ruby-irb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:ruby-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-abrt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-abrt-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-bigdecimal");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-bson");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-bson-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-bson-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-bundler");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-bundler-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-did_you_mean");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-io-console");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-json");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-minitest");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-mongo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-mongo-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-mysql2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-mysql2-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-mysql2-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-net-telnet");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-openssl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-pg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-pg-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-pg-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-power_assert");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-psych");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-rake");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-rdoc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-test-unit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygem-xmlrpc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygems");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:miracle:linux:rubygems-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:miracle:linux:8");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Miracle Linux Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/MiracleLinux/release", "Host/MiracleLinux/rpm-list", "Host/cpu");

  exit(0);
}


include('rpm2.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_product = get_kb_item('installed_os/local/SSH/0/product');
if (isnull(os_product) || 'MIRACLE LINUX' >!< os_product) audit(AUDIT_OS_NOT, 'MIRACLE LINUX');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'MIRACLE LINUX');
if (! preg(pattern:"^8([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'MiracleLinux 8.x', 'MIRACLE LINUX ' + os_version);

if (!get_kb_item('Host/MiracleLinux/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('aarch64' >!< cpu && 'ppc' >!< cpu && 's390' >!< cpu && 'x86_64' >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'MIRACLE LINUX', cpu);

var constraints = [
  {
    'release': '8',
    'pkgs': [
      {'reference':'ruby-2.5.9-110.module+el8', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'ruby-2.5.9-110.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'ruby-debugsource-2.5.9-110.module+el8', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'ruby-debugsource-2.5.9-110.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'ruby-devel-2.5.9-110.module+el8', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'ruby-devel-2.5.9-110.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'ruby-doc-2.5.9-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'ruby-irb-2.5.9-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'ruby-libs-2.5.9-110.module+el8', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'ruby-libs-2.5.9-110.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-abrt-0.3.0-4.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-abrt-doc-0.3.0-4.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-bigdecimal-1.3.4-110.module+el8', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-bigdecimal-1.3.4-110.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-bson-4.3.0-2.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-bson-debugsource-4.3.0-2.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-bson-doc-4.3.0-2.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-bundler-1.16.1-4.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-bundler-doc-1.16.1-4.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-did_you_mean-1.2.0-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-io-console-0.4.6-110.module+el8', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-io-console-0.4.6-110.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-json-2.1.0-110.module+el8', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-json-2.1.0-110.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-minitest-5.10.3-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-mongo-2.5.1-2.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-mongo-doc-2.5.1-2.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-mysql2-0.4.10-4.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-mysql2-debugsource-0.4.10-4.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-mysql2-doc-0.4.10-4.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-net-telnet-0.1.1-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-openssl-2.1.2-110.module+el8', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-openssl-2.1.2-110.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-pg-1.0.0-2.0.1.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-pg-debugsource-1.0.0-2.0.1.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-pg-doc-1.0.0-2.0.1.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-power_assert-1.1.1-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-psych-3.0.2-110.module+el8', 'cpu':'i686', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-psych-3.0.2-110.module+el8', 'cpu':'x86_64', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-rake-12.3.3-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-rdoc-6.0.1.1-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-test-unit-3.2.7-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygem-xmlrpc-0.3.0-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygems-2.7.6.3-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
      {'reference':'rubygems-devel-2.7.6.3-110.module+el8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'}
    ]
  }
];

var os_release = get_one_kb_item('installed_os/local/SSH/0/release');
var os_sp = get_one_kb_item('Host/*/minor_release');

var flag = 0;
var reference;
var sp;
var _cpu;
var el_string;
var rpm_spec_vers_cmp;
var epoch;
var allowmaj;
var exists_check;
var cves;
foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }
  if (!empty_or_null(constraint['sp'])){
    if (constraint['sp'] != os_sp) continue;
  }
  foreach var pkg ( constraint['pkgs'] ) {
    reference = NULL;
    sp = NULL;
    _cpu = NULL;
    el_string = NULL;
    rpm_spec_vers_cmp = NULL;
    epoch = NULL;
    allowmaj = NULL;
    exists_check = NULL;
    cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        ## (no known rpm to check OR known rpm_exists)
        (!exists_check || rpm_exists(rpm:exists_check)) &&
        rpm_check(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 (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-debugsource / ruby-devel / ruby-doc / ruby-irb / etc');
}