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nessusThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.REDHAT-RHSA-2019-1714.NASL
HistoryJul 11, 2019 - 12:00 a.m.

RHEL 8 : bind (RHSA-2019:1714)

2019-07-1100:00:00
This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
14

An update for bind is now available for Red Hat Enterprise Linux 8.

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.

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.

Security Fix(es) :

  • bind: Race condition when discarding malformed packets can cause bind to exit with assertion failure (CVE-2019-6471)

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.

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2019:1714. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(126611);
  script_version("1.7");
  script_cvs_date("Date: 2020/01/30");

  script_cve_id("CVE-2019-6471");
  script_xref(name:"RHSA", value:"2019:1714");

  script_name(english:"RHEL 8 : bind (RHSA-2019:1714)");
  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:
"An update for bind is now available for Red Hat Enterprise Linux 8.

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.

The Berkeley Internet Name Domain (BIND) is an implementation of the
Domain Name System (DNS) protocols. BIND includes a DNS server
(named); a resolver library (routines for applications to use when
interfacing with DNS); and tools for verifying that the DNS server is
operating correctly.

Security Fix(es) :

* bind: Race condition when discarding malformed packets can cause
bind to exit with assertion failure (CVE-2019-6471)

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."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2019:1714"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-6471"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/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:H/PR:N/UI:N/S:U/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:bind");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-chroot");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-export-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-export-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-export-libs-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-libs-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-libs-lite");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-libs-lite-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-license");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-lite-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-pkcs11");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-pkcs11-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-pkcs11-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-pkcs11-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-pkcs11-libs-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-pkcs11-utils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-pkcs11-utils-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-sdb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-sdb-chroot");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-sdb-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-utils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bind-utils-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3-bind");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8.0");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/10/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/07/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/07/11");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 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:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 8.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-2019:1714";
  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_check(release:"RHEL8", cpu:"s390x", reference:"bind-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-chroot-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-chroot-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-debugsource-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-debugsource-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-debugsource-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-export-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-export-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-export-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-export-libs-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-export-libs-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-export-libs-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-export-libs-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-export-libs-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-export-libs-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-libs-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-libs-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-libs-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-libs-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-libs-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-libs-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-libs-lite-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-libs-lite-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-libs-lite-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-libs-lite-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-libs-lite-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-libs-lite-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", reference:"bind-license-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-lite-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-lite-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-lite-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-pkcs11-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-pkcs11-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-pkcs11-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-pkcs11-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-pkcs11-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-pkcs11-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-pkcs11-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-pkcs11-devel-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-pkcs11-libs-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-pkcs11-libs-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-pkcs11-libs-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-pkcs11-libs-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-pkcs11-libs-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-pkcs11-libs-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-pkcs11-utils-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-pkcs11-utils-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-pkcs11-utils-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-pkcs11-utils-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-pkcs11-utils-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-sdb-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-sdb-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-sdb-chroot-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-sdb-chroot-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-sdb-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-sdb-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-sdb-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-utils-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-utils-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"i686", reference:"bind-utils-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"s390x", reference:"bind-utils-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"bind-utils-debuginfo-9.11.4-17.P2.el8_0.1")) flag++;

  if (rpm_check(release:"RHEL8", reference:"python3-bind-9.11.4-17.P2.el8_0.1")) 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, "bind / bind-chroot / bind-debuginfo / bind-debugsource / bind-devel / etc");
  }
}
VendorProductVersionCPE
redhatenterprise_linuxbindp-cpe:/a:redhat:enterprise_linux:bind
redhatenterprise_linuxbind-chrootp-cpe:/a:redhat:enterprise_linux:bind-chroot
redhatenterprise_linuxbind-debuginfop-cpe:/a:redhat:enterprise_linux:bind-debuginfo
redhatenterprise_linuxbind-debugsourcep-cpe:/a:redhat:enterprise_linux:bind-debugsource
redhatenterprise_linuxbind-develp-cpe:/a:redhat:enterprise_linux:bind-devel
redhatenterprise_linuxbind-export-develp-cpe:/a:redhat:enterprise_linux:bind-export-devel
redhatenterprise_linuxbind-export-libsp-cpe:/a:redhat:enterprise_linux:bind-export-libs
redhatenterprise_linuxbind-export-libs-debuginfop-cpe:/a:redhat:enterprise_linux:bind-export-libs-debuginfo
redhatenterprise_linuxbind-libsp-cpe:/a:redhat:enterprise_linux:bind-libs
redhatenterprise_linuxbind-libs-debuginfop-cpe:/a:redhat:enterprise_linux:bind-libs-debuginfo
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