Debian Security Advisory DSA 3960-1 (gnupg - security update)

2017-09-01T00:00:00
ID OPENVAS:1361412562310703960
Type openvas
Reporter Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net
Modified 2019-03-18T00:00:00

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.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: deb_3960.nasl 14280 2019-03-18 14:50:45Z cfischer $
#
# Auto-generated from advisory DSA 3960-1 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_oid("1.3.6.1.4.1.25623.1.0.703960");
  script_version("$Revision: 14280 $");
  script_cve_id("CVE-2017-7526");
  script_name("Debian Security Advisory DSA 3960-1 (gnupg - security update)");
  script_tag(name:"last_modification", value:"$Date: 2019-03-18 15:50:45 +0100 (Mon, 18 Mar 2019) $");
  script_tag(name:"creation_date", value:"2017-09-01 00:00:00 +0200 (Fri, 01 Sep 2017)");
  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:"http://www.debian.org/security/2017/dsa-3960.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", re:"ssh/login/release=DEB8");
  script_tag(name:"affected", value:"gnupg on Debian Linux");
  script_tag(name:"solution", value:"For the oldstable distribution (jessie), this problem has been fixed
in version 1.4.18-7+deb8u4.

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.");
  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:"1.4.18-7+deb8u4", rls:"DEB8")) != NULL) {
  report += res;
}
if((res = isdpkgvuln(pkg:"gnupg-curl", ver:"1.4.18-7+deb8u4", rls:"DEB8")) != NULL) {
  report += res;
}
if((res = isdpkgvuln(pkg:"gpgv", ver:"1.4.18-7+deb8u4", rls:"DEB8")) != NULL) {
  report += res;
}
if((res = isdpkgvuln(pkg:"gpgv-win32", ver:"1.4.18-7+deb8u4", rls:"DEB8")) != NULL) {
  report += res;
}

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