Oracle Linux 7 : opensc (ELSA-2019-2154)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Oracle Linux Security Advisory ELSA-2019-2154.
##

include('compat.inc');

if (description)
{
  script_id(180844);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/09/07");

  script_cve_id(
    "CVE-2018-16391",
    "CVE-2018-16392",
    "CVE-2018-16393",
    "CVE-2018-16418",
    "CVE-2018-16419",
    "CVE-2018-16420",
    "CVE-2018-16421",
    "CVE-2018-16422",
    "CVE-2018-16423",
    "CVE-2018-16426",
    "CVE-2018-16427"
  );

  script_name(english:"Oracle Linux 7 : opensc (ELSA-2019-2154)");

  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 a package installed that is affected by multiple vulnerabilities as referenced in the
ELSA-2019-2154 advisory.

  - Several buffer overflows when handling responses from a Muscle Card in muscle_list_files in
    libopensc/card-muscle.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted
    smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.
    (CVE-2018-16391)

  - Several buffer overflows when handling responses from a TCOS Card in tcos_select_file in libopensc/card-
    tcos.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a
    denial of service (application crash) or possibly have unspecified other impact. (CVE-2018-16392)

  - A buffer overflow when handling string concatenation in util_acl_to_str in tools/util.c in OpenSC before
    0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service
    (application crash) or possibly have unspecified other impact. (CVE-2018-16418)

  - Several buffer overflows when handling responses from a Cryptoflex card in read_public_key in
    tools/cryptoflex-tool.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted
    smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.
    (CVE-2018-16419)

  - Several buffer overflows when handling responses from an ePass 2003 Card in decrypt_response in
    libopensc/card-epass2003.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted
    smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.
    (CVE-2018-16420)

  - Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in
    libopensc/card-cac.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted
    smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.
    (CVE-2018-16421)

  - A single byte buffer overflow when handling responses from an esteid Card in sc_pkcs15emu_esteid_init in
    libopensc/pkcs15-esteid.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted
    smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.
    (CVE-2018-16422)

  - A double free when handling responses from a smartcard in sc_file_set_sec_attr in libopensc/sc.c in OpenSC
    before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of
    service (application crash) or possibly have unspecified other impact. (CVE-2018-16423)

  - Endless recursion when handling responses from an IAS-ECC card in iasecc_select_file in libopensc/card-
    iasecc.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to hang
    or crash the opensc library using programs. (CVE-2018-16426)

  - Various out of bounds reads when handling responses in OpenSC before 0.19.0-rc1 could be used by attackers
    able to supply crafted smartcards to potentially crash the opensc library using programs. (CVE-2018-16427)

  - Several buffer overflows when handling responses from a Gemsafe V1 Smartcard in gemsafe_get_cert_len in
    libopensc/pkcs15-gemsafeV1.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted
    smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.
    (CVE-2018-16393)

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-2019-2154.html");
  script_set_attribute(attribute:"solution", value:
"Update the affected opensc package.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:P/AC:L/PR:N/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-2018-16423");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2018-16393");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/02/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/08/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/09/07");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:7");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:opensc");
  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) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  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':'opensc-0.19.0-3.el7', 'cpu':'aarch64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'opensc-0.19.0-3.el7', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'opensc-0.19.0-3.el7', '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_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, 'opensc');
}