Debian LTS Advisory ([SECURITY] [DLA 1080-1] gnupg security update)

2018-02-07T00:00:00
ID OPENVAS:1361412562310891080
Type openvas
Reporter Copyright (c) 2018 Greenbone Networks GmbH http://greenbone.net
Modified 2018-10-05T00:00:00

Description

Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot Bruinderink, Nadia Heninger, Tanja Lange, Christine van Vredendaal and Yuval Yarom discovered that gnupg is prone to a local side-channel attack allowing full key recovery for RSA-1024.

See

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: deb_dla_1080.nasl 11768 2018-10-05 14:07:38Z cfischer $
#
# Auto-generated from advisory DLA 1080-1 using nvtgen 1.0
# Script version: 1.0
#
# Author:
# Greenbone Networks
#
# Copyright:
# Copyright (c) 2018 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_oid("1.3.6.1.4.1.25623.1.0.891080");
  script_version("$Revision: 11768 $");
  script_cve_id("CVE-2017-7526");
  script_name("Debian LTS Advisory ([SECURITY] [DLA 1080-1] gnupg security update)");
  script_tag(name:"last_modification", value:"$Date: 2018-10-05 16:07:38 +0200 (Fri, 05 Oct 2018) $");
  script_tag(name:"creation_date", value:"2018-02-07 00:00:00 +0100 (Wed, 07 Feb 2018)");
  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/2017/08/msg00030.html");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (c) 2018 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", re:"ssh/login/release=DEB7\.[0-9]+");
  script_tag(name:"affected", value:"gnupg on Debian Linux");
  script_tag(name:"insight", value:"GnuPG is GNU's tool for secure communication and data storage.
It can be used to encrypt data and to create digital signatures.
It includes an advanced key management facility and is compliant
with the proposed OpenPGP Internet standard as described in RFC 4880.");
  script_tag(name:"solution", value:"For Debian 7 'Wheezy', these problems have been fixed in version
1.4.12-7+deb7u9.

We recommend that you upgrade your gnupg packages.");
  script_tag(name:"summary",  value:"Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot
Bruinderink, Nadia Heninger, Tanja Lange, Christine van Vredendaal and
Yuval Yarom discovered that gnupg is prone to a local side-channel
attack allowing full key recovery for RSA-1024.

See");
  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:"gnupg", ver:"1.4.12-7+deb7u9", rls_regex:"DEB7\.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg-curl", ver:"1.4.12-7+deb7u9", rls_regex:"DEB7\.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gpgv", ver:"1.4.12-7+deb7u9", rls_regex:"DEB7\.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gpgv-win32", ver:"1.4.12-7+deb7u9", rls_regex:"DEB7\.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}

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