Debian DLA-1285-1 : bind9 security update

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-1285-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(106872);
  script_version("3.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2018-5735");

  script_name(english:"Debian DLA-1285-1 : bind9 security update");
  script_summary(english:"Checks dpkg output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"BIND, a DNS server implementation, was found to be vulnerable to a
denial of service flaw was found in the handling of DNSSEC validation.
A remote attacker could use this flaw to make named exit unexpectedly
with an assertion failure via a specially crafted DNS response. This
issue is closely related to CVE-2017-3139.

For Debian 7 'Wheezy', these problems have been fixed in version
9.8.4.dfsg.P1-6+nmu2+deb7u20.

We recommend that you upgrade your bind9 packages.

For the detailed security status of bind9 please refer to its security
tracker page at: https://security-tracker.debian.org/tracker/bind9

NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA security advisory. 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://lists.debian.org/debian-lts-announce/2018/02/msg00020.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/wheezy/bind9"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/source-package/bind9"
  );
  script_set_attribute(attribute:"solution", value:"Upgrade the affected 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:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bind9");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bind9-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bind9-host");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bind9utils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:dnsutils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:host");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libbind-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libbind9-80");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libdns88");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libisc84");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libisccc80");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libisccfg82");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:liblwres80");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:lwresd");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/10/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/02/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/02/20");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"7.0", prefix:"bind9", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"bind9-doc", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"bind9-host", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"bind9utils", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"dnsutils", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"host", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"libbind-dev", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"libbind9-80", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"libdns88", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"libisc84", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"libisccc80", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"libisccfg82", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"liblwres80", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;
if (deb_check(release:"7.0", prefix:"lwresd", reference:"9.8.4.dfsg.P1-6+nmu2+deb7u20")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");