Debian LTS: Security Advisory for bind9 (DLA-1697-1)

# Copyright (C) 2019 Greenbone Networks GmbH
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (C) the respective author(s)
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.891697");
  script_version("2020-01-29T08:22:52+0000");
  script_cve_id("CVE-2018-5745", "CVE-2019-6465");
  script_name("Debian LTS: Security Advisory for bind9 (DLA-1697-1)");
  script_tag(name:"last_modification", value:"2020-01-29 08:22:52 +0000 (Wed, 29 Jan 2020)");
  script_tag(name:"creation_date", value:"2019-03-01 00:00:00 +0100 (Fri, 01 Mar 2019)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  script_xref(name:"URL", value:"https://lists.debian.org/debian-lts-announce/2019/02/msg00043.html");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone Networks GmbH");
  script_family("Debian Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages", re:"ssh/login/release=DEB8");

  script_tag(name:"affected", value:"bind9 on Debian Linux");

  script_tag(name:"solution", value:"For Debian 8 'Jessie', these problems have been fixed in version
1:9.9.5.dfsg-9+deb8u17.

We recommend that you upgrade your bind9 packages.");

  script_tag(name:"summary", value:"Two issues have been found in bind9, the Internet Domain Name Server.

CVE-2019-6465
Zone transfer for DLZs are executed though not permitted by ACLs.

CVE-2018-5745
Avoid assertion and thus causing named to deliberately exit when a
trust anchor's key is replaced with a key which uses an unsupported
algorithm.");

  script_tag(name:"vuldetect", value:"This check tests the installed software version using the apt package manager.");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-deb.inc");

res = "";
report = "";
if(!isnull(res = isdpkgvuln(pkg:"bind9", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"bind9-doc", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"bind9-host", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"bind9utils", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dnsutils", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"host", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libbind-dev", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libbind-export-dev", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libbind9-90", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libdns-export100", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libdns100", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libirs-export91", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libisc-export95", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libisc95", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libisccc90", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libisccfg-export90", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"libisccfg90", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"liblwres90", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"lwresd", ver:"1:9.9.5.dfsg-9+deb8u17", rls:"DEB8"))) {
  report += res;
}

if(report != "") {
  security_message(data:report);
} else if (__pkg_match) {
  exit(99);
}