Oracle Linux 7 : freeradius (ELSA-2017-2389)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2017:2389 and 
# Oracle Linux Security Advisory ELSA-2017-2389 respectively.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(102344);
  script_version("3.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/11/01");

  script_cve_id(
    "CVE-2017-10978",
    "CVE-2017-10983",
    "CVE-2017-10984",
    "CVE-2017-10985",
    "CVE-2017-10986",
    "CVE-2017-10987"
  );
  script_xref(name:"RHSA", value:"2017:2389");

  script_name(english:"Oracle Linux 7 : freeradius (ELSA-2017-2389)");

  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 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the
ELSA-2017-2389 advisory.

    - Related: Bug#1469414 CVE-2017-10984 freeradius: Out-of-bounds write in
                           data2vp_wimax()
    - Resolves: Bug#1469409 CVE-2017-10978 freeradius: Out-of-bounds read/write due
                            to improper output buffer size check in make_secret()
    - Resolves: Bug#1469413 CVE-2017-10983 freeradius: Out-of-bounds read in
                            fr_dhcp_decode() when decoding option 63
    - Resolves: Bug#1469414 CVE-2017-10984 freeradius: Out-of-bounds write in
                            data2vp_wimax()
    - Resolves: Bug#1469417 CVE-2017-10985 freeradius: Infinite loop and memory
                            exhaustion with 'concat' attributes
    - Resolves: Bug#1469418 CVE-2017-10986 freeradius: Infinite read in
                            dhcp_attr2vp()

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-2017-2389.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-2017-10984");

  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:"2017/07/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/08/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/08/10");

  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-python");
  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:7");
  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) 2017-2024 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:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Oracle Linux 7', '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 pkgs = [
    {'reference':'freeradius-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-devel-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-doc-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-krb5-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-ldap-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-mysql-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-perl-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-postgresql-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-python-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-sqlite-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-unixODBC-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-utils-3.0.13-8.el7_4', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-devel-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-doc-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-krb5-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-ldap-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-mysql-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-perl-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-postgresql-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-python-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-sqlite-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-unixODBC-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-utils-3.0.13-8.el7_4', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-devel-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-doc-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-krb5-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-ldap-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-mysql-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-perl-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-postgresql-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-python-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-sqlite-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-unixODBC-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'freeradius-utils-3.0.13-8.el7_4', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE}
];

var flag = 0;
foreach var package_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;
  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 (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (reference && _release) {
    if (exists_check) {
        if (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)) flag++;
    } else {
        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 (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');
}