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openvasCopyright (c) 2015 Greenbone Networks GmbH http://greenbone.netOPENVAS:703420
HistoryDec 15, 2015 - 12:00 a.m.

Debian Security Advisory DSA 3420-1 (bind9 - security update)

2015-12-1500:00:00
Copyright (c) 2015 Greenbone Networks GmbH http://greenbone.net
plugins.openvas.org
12

0.963 High

EPSS

Percentile

99.4%

It was discovered that the BIND DNS server
does not properly handle the parsing of incoming responses, allowing some records
with an incorrect class to be accepted by BIND instead of being rejected as malformed.
This can trigger a REQUIRE assertion failure when those records are
subsequently cached. A remote attacker can exploit this flaw to cause a
denial of service against servers performing recursive queries.

# OpenVAS Vulnerability Test
# $Id: deb_3420.nasl 6609 2017-07-07 12:05:59Z cfischer $
# Auto-generated from advisory DSA 3420-1 using nvtgen 1.0
# Script version: 1.0
#
# Author:
# Greenbone Networks
#
# Copyright:
# Copyright (c) 2015 Greenbone Networks GmbH http://greenbone.net
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (c) the respective author(s)
#
# 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_id(703420);
    script_version("$Revision: 6609 $");
    script_cve_id("CVE-2015-8000");
    script_name("Debian Security Advisory DSA 3420-1 (bind9 - security update)");
    script_tag(name: "last_modification", value: "$Date: 2017-07-07 14:05:59 +0200 (Fri, 07 Jul 2017) $");
    script_tag(name: "creation_date", value: "2015-12-15 00:00:00 +0100 (Tue, 15 Dec 2015)");
    script_tag(name:"cvss_base", value:"5.0");
    script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
    script_tag(name: "solution_type", value: "VendorFix");
    script_tag(name: "qod_type", value: "package");

    script_xref(name: "URL", value: "http://www.debian.org/security/2015/dsa-3420.html");


    script_category(ACT_GATHER_INFO);

    script_copyright("Copyright (c) 2015 Greenbone Networks GmbH http://greenbone.net");
    script_family("Debian Local Security Checks");
    script_dependencies("gather-package-list.nasl");
    script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages");
    script_tag(name: "affected",  value: "bind9 on Debian Linux");
    script_tag(name: "insight",   value: "The Berkeley Internet Name Domain (BIND)
implements an Internet domain name server. BIND is the most widely-used name server
software on the Internet, and is supported by the Internet Software Consortium,
www.isc.org. This package provides the server and related configuration files.");
    script_tag(name: "solution",  value: "For the oldstable distribution (wheezy),
this problem has been fixed in version 1:9.8.4.dfsg.P1-6+nmu2+deb7u8.

For the stable distribution (jessie), this problem has been fixed in
version 1:9.9.5.dfsg-9+deb8u4.

We recommend that you upgrade your bind9 packages.");
    script_tag(name: "summary",   value: "It was discovered that the BIND DNS server
does not properly handle the parsing of incoming responses, allowing some records
with an incorrect class to be accepted by BIND instead of being rejected as malformed.
This can trigger a REQUIRE assertion failure when those records are
subsequently cached. A remote attacker can exploit this flaw to cause a
denial of service against servers performing recursive queries.");
    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 ((res = isdpkgvuln(pkg:"bind9", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"bind9-doc", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"bind9-host", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"bind9utils", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"dnsutils", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"host", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libbind-dev", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libbind9-80", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libdns88", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libisc84", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libisccc80", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libisccfg82", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"liblwres80", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"lwresd", ver:"1:9.8.4.dfsg.P1-6+nmu2+deb7u8", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"bind9", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"bind9-doc", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"bind9-host", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"bind9utils", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"dnsutils", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"host", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libbind-dev", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libbind-export-dev", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libbind9-90", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libdns-export100", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libdns100", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libirs-export91", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libisc-export95", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libisc95", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libisccc90", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libisccfg-export90", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"libisccfg90", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"liblwres90", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"lwresd", ver:"1:9.9.5.dfsg-9+deb8u4", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}

if (report != "") {
    security_message(data:report);
} else if (__pkg_match) {
    exit(99); # Not vulnerable.
}