Vulnerabilities > CVE-2018-14632 - Out-of-bounds Write vulnerability in multiple products

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2018:2654. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(119404);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/11");

  script_cve_id("CVE-2018-14632");
  script_xref(name:"RHSA", value:"2018:2654");

  script_name(english:"RHEL 7 : OpenShift Container Platform 3.6 (RHSA-2018:2654)");
  script_summary(english:"Checks the rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis",
    value:"The remote Red Hat host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description",
    value:
"Red Hat OpenShift Container Platform release 3.6.173.0.130 is now
available with updates to packages that fix one security issue and
several bugs.

Red Hat Product Security has rated this update as having a security
impact of Important. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.

Red Hat OpenShift Container Platform is Red Hat's cloud computing
Kubernetes application platform solution designed for on-premise or
private cloud deployments.

This advisory contains the RPM packages for Red Hat OpenShift
Container Platform 3.6.173.0.130. See the following advisory for the
container images for this release :

https://access.redhat.com/errata/RHBA-2018:2655

This update fixes the following bug :

* atomic-openshift: oc patch with json causes masterapi service crash
(CVE-2018-14632)

All OpenShift Container Platform 3.6 users are advised to upgrade to
these updated packages.

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

Red Hat would like to thank Lars Haugan for reporting this issue.

Bug Fix(es) :

* Retries have been added to shared-resource-viewer update logic
avoiding problems with object contention. (BZ#1507119)

* Certificate expiry playbook run error (BZ#1509859)

* Running metrics playbook for cleanup with Ansible 2.2.3 fails about
field 'args' including invalid value (BZ#1550680)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2018:2654"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-14632"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:N/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:L/UI:N/S:C/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-clients");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-clients-redistributable");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-cluster-capacity");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-docker-excluder");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-dockerregistry");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-excluder");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-federation-services");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-master");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-node");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-pod");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-sdn-ovs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-service-catalog");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-tests");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:atomic-openshift-utils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-ansible");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-ansible-callback-plugins");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-ansible-docs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-ansible-filter-plugins");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-ansible-lookup-plugins");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-ansible-playbooks");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-ansible-roles");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-paramiko");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-paramiko-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:tuned-profiles-atomic-openshift-node");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/09/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/09/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/12/04");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Red Hat Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat");
os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) 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);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu);

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2018:2654";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : yum_report 
    );
    exit(0);
  }
  else
  {
    audit_message = "affected by Red Hat security advisory " + rhsa;
    audit(AUDIT_OS_NOT, audit_message);
  }
}
else
{
  flag = 0;
  if (rpm_exists(rpm:"atomic-openshift-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-clients-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-clients-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-clients-redistributable-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-clients-redistributable-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-cluster-capacity-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-cluster-capacity-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-docker-excluder-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", reference:"atomic-openshift-docker-excluder-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-dockerregistry-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-dockerregistry-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-excluder-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", reference:"atomic-openshift-excluder-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-federation-services-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-federation-services-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-master-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-master-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-node-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-node-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-pod-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-pod-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-sdn-ovs-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-sdn-ovs-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-service-catalog-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-service-catalog-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-tests-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"atomic-openshift-tests-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;
  if (rpm_exists(rpm:"atomic-openshift-utils-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", reference:"atomic-openshift-utils-3.6.173.0.130-1.git.0.22ddff9.el7")) flag++;
  if (rpm_exists(rpm:"openshift-ansible-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", reference:"openshift-ansible-3.6.173.0.130-1.git.0.22ddff9.el7")) flag++;
  if (rpm_exists(rpm:"openshift-ansible-callback-plugins-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", reference:"openshift-ansible-callback-plugins-3.6.173.0.130-1.git.0.22ddff9.el7")) flag++;
  if (rpm_exists(rpm:"openshift-ansible-docs-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", reference:"openshift-ansible-docs-3.6.173.0.130-1.git.0.22ddff9.el7")) flag++;
  if (rpm_exists(rpm:"openshift-ansible-filter-plugins-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", reference:"openshift-ansible-filter-plugins-3.6.173.0.130-1.git.0.22ddff9.el7")) flag++;
  if (rpm_exists(rpm:"openshift-ansible-lookup-plugins-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", reference:"openshift-ansible-lookup-plugins-3.6.173.0.130-1.git.0.22ddff9.el7")) flag++;
  if (rpm_exists(rpm:"openshift-ansible-playbooks-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", reference:"openshift-ansible-playbooks-3.6.173.0.130-1.git.0.22ddff9.el7")) flag++;
  if (rpm_exists(rpm:"openshift-ansible-roles-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", reference:"openshift-ansible-roles-3.6.173.0.130-1.git.0.22ddff9.el7")) flag++;
  if (rpm_check(release:"RHEL7", reference:"python-paramiko-2.1.1-4.el7")) flag++;
  if (rpm_check(release:"RHEL7", reference:"python-paramiko-doc-2.1.1-4.el7")) flag++;
  if (rpm_exists(rpm:"tuned-profiles-atomic-openshift-node-3.6", release:"RHEL7") && rpm_check(release:"RHEL7", cpu:"x86_64", reference:"tuned-profiles-atomic-openshift-node-3.6.173.0.130-1.git.0.8d78a39.el7")) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : rpm_report_get() + redhat_report_package_caveat()
    );
    exit(0);
  }
  else
  {
    tested = pkg_tests_get();
    if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
    else audit(AUDIT_PACKAGE_NOT_INSTALLED, "atomic-openshift / atomic-openshift-clients / etc");
  }
}