Lucene search
K

RHEL 7 : gcab (RHSA-2018:0350)

🗓️ 27 Feb 2018 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 35 Views

Update available for managing Microsoft cabinet files on RHEL

Related
Refs
Code
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2018:0350. The text 
# itself is copyright (C) Red Hat, Inc.
#

include('compat.inc');

if (description)
{
  script_id(107017);
  script_version("3.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/10/27");

  script_cve_id("CVE-2018-5345");
  script_xref(name:"RHSA", value:"2018:0350");

  script_name(english:"RHEL 7 : gcab (RHSA-2018:0350)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing a security update for gcab.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in
the RHSA-2018:0350 advisory.

    The gcab package contains a utility for managing the Cabinet archives. It can list, extract, and create
    Microsoft cabinet (.cab) files.

    Security Fix(es):

    * gcab: Extracting malformed .cab files causes stack smashing potentially leading to arbitrary code
    execution (CVE-2018-5345)

    For more details about the security issue(s), including the impact, a CVSS score, and other related
    information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2018/rhsa-2018_0350.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b44822f3");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2018:0350");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1527296");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL gcab package based on the guidance in RHSA-2018:0350.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:L/AC:L/PR:N/UI:R/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-2018-5345");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(121);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/01/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/02/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/02/27");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:gcab");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libgcab1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:libgcab1-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Red Hat Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2018-2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('rpm.inc');
include('rhel.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
os_ver = os_ver[1];
if (!rhel_check_release(operator: 'ge', os_version: os_ver, rhel_version: '7')) audit(AUDIT_OS_NOT, 'Red Hat 7.x', 'Red Hat ' + 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$" && 's390' >!< cpu && 'aarch64' >!< cpu && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);

var constraints = [
  {
    'repo_relative_urls': [
      'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/debug',
      'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/optional/debug',
      'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/optional/os',
      'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/optional/source/SRPMS',
      'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/os',
      'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/source/SRPMS',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/debug',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/optional/debug',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/optional/os',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/optional/source/SRPMS',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/os',
      'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/source/SRPMS',
      'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/debug',
      'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/optional/debug',
      'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/optional/os',
      'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/optional/source/SRPMS',
      'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/os',
      'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/source/SRPMS',
      'content/dist/rhel/client/7/7.9/x86_64/debug',
      'content/dist/rhel/client/7/7.9/x86_64/optional/debug',
      'content/dist/rhel/client/7/7.9/x86_64/optional/os',
      'content/dist/rhel/client/7/7.9/x86_64/optional/source/SRPMS',
      'content/dist/rhel/client/7/7.9/x86_64/os',
      'content/dist/rhel/client/7/7.9/x86_64/source/SRPMS',
      'content/dist/rhel/client/7/7Client/x86_64/debug',
      'content/dist/rhel/client/7/7Client/x86_64/optional/debug',
      'content/dist/rhel/client/7/7Client/x86_64/optional/os',
      'content/dist/rhel/client/7/7Client/x86_64/optional/source/SRPMS',
      'content/dist/rhel/client/7/7Client/x86_64/os',
      'content/dist/rhel/client/7/7Client/x86_64/source/SRPMS',
      'content/dist/rhel/computenode/7/7.9/x86_64/optional/debug',
      'content/dist/rhel/computenode/7/7.9/x86_64/optional/os',
      'content/dist/rhel/computenode/7/7.9/x86_64/optional/source/SRPMS',
      'content/dist/rhel/computenode/7/7ComputeNode/x86_64/debug',
      'content/dist/rhel/computenode/7/7ComputeNode/x86_64/optional/debug',
      'content/dist/rhel/computenode/7/7ComputeNode/x86_64/optional/os',
      'content/dist/rhel/computenode/7/7ComputeNode/x86_64/optional/source/SRPMS',
      'content/dist/rhel/computenode/7/7ComputeNode/x86_64/os',
      'content/dist/rhel/computenode/7/7ComputeNode/x86_64/source/SRPMS',
      'content/dist/rhel/power-le/7/7.9/ppc64le/debug',
      'content/dist/rhel/power-le/7/7.9/ppc64le/highavailability/debug',
      'content/dist/rhel/power-le/7/7.9/ppc64le/highavailability/os',
      'content/dist/rhel/power-le/7/7.9/ppc64le/highavailability/source/SRPMS',
      'content/dist/rhel/power-le/7/7.9/ppc64le/optional/debug',
      'content/dist/rhel/power-le/7/7.9/ppc64le/optional/os',
      'content/dist/rhel/power-le/7/7.9/ppc64le/optional/source/SRPMS',
      'content/dist/rhel/power-le/7/7.9/ppc64le/os',
      'content/dist/rhel/power-le/7/7.9/ppc64le/resilientstorage/debug',
      'content/dist/rhel/power-le/7/7.9/ppc64le/resilientstorage/os',
      'content/dist/rhel/power-le/7/7.9/ppc64le/resilientstorage/source/SRPMS',
      'content/dist/rhel/power-le/7/7.9/ppc64le/source/SRPMS',
      'content/dist/rhel/power-le/7/7Server/ppc64le/debug',
      'content/dist/rhel/power-le/7/7Server/ppc64le/highavailability/debug',
      'content/dist/rhel/power-le/7/7Server/ppc64le/highavailability/os',
      'content/dist/rhel/power-le/7/7Server/ppc64le/highavailability/source/SRPMS',
      'content/dist/rhel/power-le/7/7Server/ppc64le/optional/debug',
      'content/dist/rhel/power-le/7/7Server/ppc64le/optional/os',
      'content/dist/rhel/power-le/7/7Server/ppc64le/optional/source/SRPMS',
      'content/dist/rhel/power-le/7/7Server/ppc64le/os',
      'content/dist/rhel/power-le/7/7Server/ppc64le/resilientstorage/debug',
      'content/dist/rhel/power-le/7/7Server/ppc64le/resilientstorage/os',
      'content/dist/rhel/power-le/7/7Server/ppc64le/resilientstorage/source/SRPMS',
      'content/dist/rhel/power-le/7/7Server/ppc64le/source/SRPMS',
      'content/dist/rhel/power/7/7.9/ppc64/debug',
      'content/dist/rhel/power/7/7.9/ppc64/optional/debug',
      'content/dist/rhel/power/7/7.9/ppc64/optional/os',
      'content/dist/rhel/power/7/7.9/ppc64/optional/source/SRPMS',
      'content/dist/rhel/power/7/7.9/ppc64/os',
      'content/dist/rhel/power/7/7.9/ppc64/source/SRPMS',
      'content/dist/rhel/power/7/7Server/ppc64/debug',
      'content/dist/rhel/power/7/7Server/ppc64/optional/debug',
      'content/dist/rhel/power/7/7Server/ppc64/optional/os',
      'content/dist/rhel/power/7/7Server/ppc64/optional/source/SRPMS',
      'content/dist/rhel/power/7/7Server/ppc64/os',
      'content/dist/rhel/power/7/7Server/ppc64/source/SRPMS',
      'content/dist/rhel/server/7/7.9/x86_64/debug',
      'content/dist/rhel/server/7/7.9/x86_64/highavailability/debug',
      'content/dist/rhel/server/7/7.9/x86_64/highavailability/os',
      'content/dist/rhel/server/7/7.9/x86_64/highavailability/source/SRPMS',
      'content/dist/rhel/server/7/7.9/x86_64/optional/debug',
      'content/dist/rhel/server/7/7.9/x86_64/optional/os',
      'content/dist/rhel/server/7/7.9/x86_64/optional/source/SRPMS',
      'content/dist/rhel/server/7/7.9/x86_64/os',
      'content/dist/rhel/server/7/7.9/x86_64/resilientstorage/debug',
      'content/dist/rhel/server/7/7.9/x86_64/resilientstorage/os',
      'content/dist/rhel/server/7/7.9/x86_64/resilientstorage/source/SRPMS',
      'content/dist/rhel/server/7/7.9/x86_64/source/SRPMS',
      'content/dist/rhel/server/7/7Server/x86_64/debug',
      'content/dist/rhel/server/7/7Server/x86_64/highavailability/debug',
      'content/dist/rhel/server/7/7Server/x86_64/highavailability/os',
      'content/dist/rhel/server/7/7Server/x86_64/highavailability/source/SRPMS',
      'content/dist/rhel/server/7/7Server/x86_64/optional/debug',
      'content/dist/rhel/server/7/7Server/x86_64/optional/os',
      'content/dist/rhel/server/7/7Server/x86_64/optional/source/SRPMS',
      'content/dist/rhel/server/7/7Server/x86_64/os',
      'content/dist/rhel/server/7/7Server/x86_64/resilientstorage/debug',
      'content/dist/rhel/server/7/7Server/x86_64/resilientstorage/os',
      'content/dist/rhel/server/7/7Server/x86_64/resilientstorage/source/SRPMS',
      'content/dist/rhel/server/7/7Server/x86_64/source/SRPMS',
      'content/dist/rhel/system-z/7/7.9/s390x/debug',
      'content/dist/rhel/system-z/7/7.9/s390x/highavailability/debug',
      'content/dist/rhel/system-z/7/7.9/s390x/highavailability/os',
      'content/dist/rhel/system-z/7/7.9/s390x/highavailability/source/SRPMS',
      'content/dist/rhel/system-z/7/7.9/s390x/optional/debug',
      'content/dist/rhel/system-z/7/7.9/s390x/optional/os',
      'content/dist/rhel/system-z/7/7.9/s390x/optional/source/SRPMS',
      'content/dist/rhel/system-z/7/7.9/s390x/os',
      'content/dist/rhel/system-z/7/7.9/s390x/resilientstorage/debug',
      'content/dist/rhel/system-z/7/7.9/s390x/resilientstorage/os',
      'content/dist/rhel/system-z/7/7.9/s390x/resilientstorage/source/SRPMS',
      'content/dist/rhel/system-z/7/7.9/s390x/source/SRPMS',
      'content/dist/rhel/system-z/7/7Server/s390x/debug',
      'content/dist/rhel/system-z/7/7Server/s390x/highavailability/debug',
      'content/dist/rhel/system-z/7/7Server/s390x/highavailability/os',
      'content/dist/rhel/system-z/7/7Server/s390x/highavailability/source/SRPMS',
      'content/dist/rhel/system-z/7/7Server/s390x/optional/debug',
      'content/dist/rhel/system-z/7/7Server/s390x/optional/os',
      'content/dist/rhel/system-z/7/7Server/s390x/optional/source/SRPMS',
      'content/dist/rhel/system-z/7/7Server/s390x/os',
      'content/dist/rhel/system-z/7/7Server/s390x/resilientstorage/debug',
      'content/dist/rhel/system-z/7/7Server/s390x/resilientstorage/os',
      'content/dist/rhel/system-z/7/7Server/s390x/resilientstorage/source/SRPMS',
      'content/dist/rhel/system-z/7/7Server/s390x/source/SRPMS',
      'content/dist/rhel/workstation/7/7.9/x86_64/debug',
      'content/dist/rhel/workstation/7/7.9/x86_64/optional/debug',
      'content/dist/rhel/workstation/7/7.9/x86_64/optional/os',
      'content/dist/rhel/workstation/7/7.9/x86_64/optional/source/SRPMS',
      'content/dist/rhel/workstation/7/7.9/x86_64/os',
      'content/dist/rhel/workstation/7/7.9/x86_64/source/SRPMS',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/debug',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/optional/debug',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/optional/os',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/optional/source/SRPMS',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/os',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/source/SRPMS',
      'content/fastrack/rhel/client/7/x86_64/debug',
      'content/fastrack/rhel/client/7/x86_64/optional/debug',
      'content/fastrack/rhel/client/7/x86_64/optional/os',
      'content/fastrack/rhel/client/7/x86_64/optional/source/SRPMS',
      'content/fastrack/rhel/client/7/x86_64/os',
      'content/fastrack/rhel/client/7/x86_64/source/SRPMS',
      'content/fastrack/rhel/computenode/7/x86_64/debug',
      'content/fastrack/rhel/computenode/7/x86_64/optional/debug',
      'content/fastrack/rhel/computenode/7/x86_64/optional/os',
      'content/fastrack/rhel/computenode/7/x86_64/optional/source/SRPMS',
      'content/fastrack/rhel/computenode/7/x86_64/os',
      'content/fastrack/rhel/computenode/7/x86_64/source/SRPMS',
      'content/fastrack/rhel/power/7/ppc64/debug',
      'content/fastrack/rhel/power/7/ppc64/optional/debug',
      'content/fastrack/rhel/power/7/ppc64/optional/os',
      'content/fastrack/rhel/power/7/ppc64/optional/source/SRPMS',
      'content/fastrack/rhel/power/7/ppc64/os',
      'content/fastrack/rhel/power/7/ppc64/source/SRPMS',
      'content/fastrack/rhel/server/7/x86_64/debug',
      'content/fastrack/rhel/server/7/x86_64/highavailability/debug',
      'content/fastrack/rhel/server/7/x86_64/highavailability/os',
      'content/fastrack/rhel/server/7/x86_64/highavailability/source/SRPMS',
      'content/fastrack/rhel/server/7/x86_64/optional/debug',
      'content/fastrack/rhel/server/7/x86_64/optional/os',
      'content/fastrack/rhel/server/7/x86_64/optional/source/SRPMS',
      'content/fastrack/rhel/server/7/x86_64/os',
      'content/fastrack/rhel/server/7/x86_64/resilientstorage/debug',
      'content/fastrack/rhel/server/7/x86_64/resilientstorage/os',
      'content/fastrack/rhel/server/7/x86_64/resilientstorage/source/SRPMS',
      'content/fastrack/rhel/server/7/x86_64/source/SRPMS',
      'content/fastrack/rhel/system-z/7/s390x/debug',
      'content/fastrack/rhel/system-z/7/s390x/optional/debug',
      'content/fastrack/rhel/system-z/7/s390x/optional/os',
      'content/fastrack/rhel/system-z/7/s390x/optional/source/SRPMS',
      'content/fastrack/rhel/system-z/7/s390x/os',
      'content/fastrack/rhel/system-z/7/s390x/source/SRPMS',
      'content/fastrack/rhel/workstation/7/x86_64/debug',
      'content/fastrack/rhel/workstation/7/x86_64/optional/debug',
      'content/fastrack/rhel/workstation/7/x86_64/optional/os',
      'content/fastrack/rhel/workstation/7/x86_64/optional/source/SRPMS',
      'content/fastrack/rhel/workstation/7/x86_64/os',
      'content/fastrack/rhel/workstation/7/x86_64/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'gcab-0.7-4.el7_4', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libgcab1-0.7-4.el7_4', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'libgcab1-devel-0.7-4.el7_4', 'release':'7', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);

var flag = 0;
foreach var constraint_array ( constraints ) {
  var repo_relative_urls = NULL;
  if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];
  foreach var pkg ( constraint_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;
    var cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
    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 &&
        _release &&
        rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
        (applicable_repo_urls || (!exists_check || 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, cves:cves)) flag++;
  }
}

if (flag)
{
  var extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'gcab / libgcab1 / libgcab1-devel');
}

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

27 Oct 2025 00:00Current
6.9Medium risk
Vulners AI Score6.9
CVSS 26.8
CVSS 37.8
EPSS0.02227
35