Fedora 31 : 32:bind / bind-dyndb-ldap / dnsperf (2019-73a8737068)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2019-73a8737068.
#

include("compat.inc");

if (description)
{
  script_id(131450);
  script_version("1.4");
  script_cvs_date("Date: 2019/12/20");

  script_cve_id("CVE-2019-6477");
  script_xref(name:"FEDORA", value:"2019-73a8737068");

  script_name(english:"Fedora 31 : 32:bind / bind-dyndb-ldap / dnsperf (2019-73a8737068)");
  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:
"New [minor
release](https://downloads.isc.org/isc/bind9/9.11.13/RELEASE-NOTES-bin
d-9.11.13.html) with fix for latest CVE.

Includes TCP high-water in rndc status.

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-2019-73a8737068"
  );
  # https://downloads.isc.org/isc/bind9/9.11.13/RELEASE-NOTES-bind-9.11.13.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?e917ef54"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Update the affected 32:bind, bind-dyndb-ldap and / or dnsperf
packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:L/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:"cvss_score_source", value:"CVE-2019-6477");
  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: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:31");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/11/26");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/11/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/12/03");
  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:"^31([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 31", "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:"FC31", reference:"bind-9.11.13-2.fc31", epoch:"32")) flag++;
if (rpm_check(release:"FC31", reference:"bind-dyndb-ldap-11.2-2.fc31")) flag++;
if (rpm_check(release:"FC31", reference:"dnsperf-2.3.2-2.fc31")) 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, "32:bind / bind-dyndb-ldap / dnsperf");
}