Fedora 29 : 12:dhcp / 32:bind / bind-dyndb-ldap / dnsperf (2019-d04f66e595)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2019-d04f66e595.
#

include("compat.inc");

if (description)
{
  script_id(128793);
  script_version("1.4");
  script_cvs_date("Date: 2019/12/27");

  script_cve_id("CVE-2019-6471");
  script_xref(name:"FEDORA", value:"2019-d04f66e595");

  script_name(english:"Fedora 29 : 12:dhcp / 32:bind / bind-dyndb-ldap / dnsperf (2019-d04f66e595)");
  script_summary(english:"Checks rpm output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"  - Update to [BIND
    9.11.10](https://downloads.isc.org/isc/bind9/9.11.10/REL
    EASE-NOTES-bind-9.11.10.html)

  - Updates
    [dnsperf](https://github.com/DNS-OARC/dnsperf/blob/v2.3.
    2/CHANGES)

----

  - New [minor BIND
    release](https://downloads.isc.org/isc/bind9/9.11.8/RELE
    ASE-NOTES-bind-9.11.8.html), fixing also security bug.

  - dnsperf update with TCP support

----

Fixes occasional releases of obtained IP address. Detects jumps in
time backward and refreshes address lease if time went back.

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bodhi.fedoraproject.org/updates/FEDORA-2019-d04f66e595"
  );
  # https://downloads.isc.org/isc/bind9/9.11.8/RELEASE-NOTES-bind-9.11.8.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?25cb7267"
  );
  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:fedoraproject:fedora:12:dhcp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:32:bind");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:bind-dyndb-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:dnsperf");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:29");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/10/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/09/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/16");
  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 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("global_settings.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) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! preg(pattern:"^29([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 29", "Fedora " + 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$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);


flag = 0;
if (rpm_check(release:"FC29", reference:"dhcp-4.3.6-34.fc29", epoch:"12")) flag++;
if (rpm_check(release:"FC29", reference:"bind-9.11.10-1.fc29", epoch:"32")) flag++;
if (rpm_check(release:"FC29", reference:"bind-dyndb-ldap-11.1-19.fc29")) flag++;
if (rpm_check(release:"FC29", reference:"dnsperf-2.3.2-1.fc29")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "12:dhcp / 32:bind / bind-dyndb-ldap / dnsperf");
}