Hubert Kario discovered that GnuTLS, a library implementing the TLS and
SSL protocols, does not properly decode a status response TLS extension,
allowing a remote attacker to cause an application using the GnuTLS
library to crash (denial of service).
# OpenVAS Vulnerability Test
# $Id: deb_3884.nasl 6607 2017-07-07 12:04:25Z cfischer $
# Auto-generated from advisory DSA 3884-1 using nvtgen 1.0
# Script version: 1.0
#
# Author:
# Greenbone Networks
#
# Copyright:
# Copyright (c) 2017 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(703884);
script_version("$Revision: 6607 $");
script_cve_id("CVE-2017-7507");
script_name("Debian Security Advisory DSA 3884-1 (gnutls28 - security update)");
script_tag(name: "last_modification", value: "$Date: 2017-07-07 14:04:25 +0200 (Fri, 07 Jul 2017) $");
script_tag(name: "creation_date", value: "2017-06-16 00:00:00 +0200 (Fri, 16 Jun 2017)");
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/2017/dsa-3884.html");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (c) 2017 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: "gnutls28 on Debian Linux");
script_tag(name: "solution", value: "For the stable distribution (jessie), this problem has been fixed in
version 3.3.8-6+deb8u6.
For the upcoming stable distribution (stretch), this problem has been
fixed in version 3.5.8-5+deb9u1.
For the unstable distribution (sid), this problem has been fixed in
version 3.5.8-6.
We recommend that you upgrade your gnutls28 packages.");
script_tag(name: "summary", value: "Hubert Kario discovered that GnuTLS, a library implementing the TLS and
SSL protocols, does not properly decode a status response TLS extension,
allowing a remote attacker to cause an application using the GnuTLS
library to crash (denial of service).");
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:"gnutls-bin", ver:"3.5.8-5+deb9u1", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"gnutls-doc", ver:"3.5.8-5+deb9u1", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgnutls-dane0", ver:"3.5.8-5+deb9u1", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgnutls-openssl27", ver:"3.5.8-5+deb9u1", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgnutls28-dev", ver:"3.5.8-5+deb9u1", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgnutls30", ver:"3.5.8-5+deb9u1", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgnutlsxx28", ver:"3.5.8-5+deb9u1", rls_regex:"DEB9.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"gnutls-bin", ver:"3.3.8-6+deb8u6", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"gnutls-doc", ver:"3.3.8-6+deb8u6", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"guile-gnutls", ver:"3.3.8-6+deb8u6", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgnutls-deb0-28", ver:"3.3.8-6+deb8u6", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgnutls-openssl27", ver:"3.3.8-6+deb8u6", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgnutls28-dbg", ver:"3.3.8-6+deb8u6", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgnutls28-dev", ver:"3.3.8-6+deb8u6", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgnutlsxx28", ver:"3.3.8-6+deb8u6", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
report += res;
}
if (report != "") {
security_message(data:report);
} else if (__pkg_match) {
exit(99); # Not vulnerable.
}