Oracle Linux 8 : freeradius:3.0 (ELSA-2019-1142)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2019:1142 and 
# Oracle Linux Security Advisory ELSA-2019-1142 respectively.
#

include('compat.inc');

if (description)
{
  script_id(127577);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/10/22");

  script_cve_id("CVE-2019-11234", "CVE-2019-11235");
  script_xref(name:"RHSA", value:"2019:1142");

  script_name(english:"Oracle Linux 8 : freeradius:3.0 (ELSA-2019-1142)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the
ELSA-2019-1142 advisory.

    [3.0.17-4]
    - Fixes two EAP-PWD security issues
      Resolves: bz#1699416 authentication bypass with an invalid curve attack

Tenable has extracted the preceding description block directly from the Oracle 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://linux.oracle.com/errata/ELSA-2019-1142.html");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:N/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-2019-11235");

  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:"2019/04/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/08/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/12");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-krb5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-mysql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-perl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-postgresql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-rest");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-sqlite");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-unixODBC");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:freeradius-utils");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:8");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


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 os_release = get_kb_item("Host/RedHat/release");
if (isnull(os_release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:os_release)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
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 module_ver = get_kb_item('Host/RedHat/appstream/freeradius');
if (isnull(module_ver)) audit(AUDIT_PACKAGE_NOT_INSTALLED, 'Module freeradius:3.0');
if ('3.0' >!< module_ver) audit(AUDIT_PACKAGE_NOT_AFFECTED, 'Module freeradius:' + module_ver);

var appstreams = {
    'freeradius:3.0': [
      {'reference':'freeradius-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-devel-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-doc-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-krb5-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-ldap-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-mysql-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-perl-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-postgresql-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-rest-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-sqlite-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-unixODBC-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-utils-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-devel-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-doc-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-krb5-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-ldap-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-mysql-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-perl-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-postgresql-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-rest-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-sqlite-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-unixODBC-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'freeradius-utils-3.0.17-4.module+el8.0.0+5208+733fb731', 'cpu':'x86_64', '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/RedHat/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;
      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 (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 freeradius: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, 'freeradius / freeradius-devel / freeradius-doc / etc');
}