Daniel Genkin, Itamar Pipman and Eran Tromer discovered that Elgamal
encryption subkeys in applications using the libgcrypt11 library, for
example GnuPG 2.x, could be leaked via a side-channel attack.
# OpenVAS Vulnerability Test
# $Id: deb_3073.nasl 6759 2017-07-19 09:56:33Z teissa $
# Auto-generated from advisory DSA 3073-1 using nvtgen 1.0
# Script version: 1.0
#
# Author:
# Greenbone Networks
#
# Copyright:
# Copyright (c) 2014 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(703073);
script_version("$Revision: 6759 $");
script_cve_id("CVE-2014-5270");
script_name("Debian Security Advisory DSA 3073-1 (libgcrypt11 - security update)");
script_tag(name: "last_modification", value: "$Date: 2017-07-19 11:56:33 +0200 (Wed, 19 Jul 2017) $");
script_tag(name: "creation_date", value: "2014-11-16 00:00:00 +0100 (Sun, 16 Nov 2014)");
script_tag(name:"cvss_base", value:"2.1");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:N/A:N");
script_xref(name: "URL", value: "http://www.debian.org/security/2014/dsa-3073.html");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (c) 2014 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: "libgcrypt11 on Debian Linux");
script_tag(name: "insight", value: "libgcrypt contains cryptographic functions. Many important free
ciphers, hash algorithms and public key signing algorithms have been
implemented:
Arcfour, Blowfish, CAST5, DES, AES, Twofish, Serpent, rfc2268 (rc2), SEED,
Camellia, CRC, MD4, MD5, RIPE-MD160, SHA-1, SHA-256, SHA-512, Tiger,
Whirlpool, DSA, DSA2, ElGamal, RSA, ECC.");
script_tag(name: "solution", value: "For the stable distribution (wheezy), this problem has been fixed in
version 1.5.0-5+deb7u2.
We recommend that you upgrade your libgcrypt11 packages.");
script_tag(name: "summary", value: "Daniel Genkin, Itamar Pipman and Eran Tromer discovered that Elgamal
encryption subkeys in applications using the libgcrypt11 library, for
example GnuPG 2.x, could be leaked via a side-channel attack.");
script_tag(name: "vuldetect", value: "This check tests the installed software version using the apt package manager.");
script_tag(name:"qod_type", value:"package");
script_tag(name:"solution_type", value:"VendorFix");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-deb.inc");
res = "";
report = "";
if ((res = isdpkgvuln(pkg:"libgcrypt11", ver:"1.5.0-5+deb7u2", rls:"DEB7.0")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-dbg", ver:"1.5.0-5+deb7u2", rls:"DEB7.0")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-dev", ver:"1.5.0-5+deb7u2", rls:"DEB7.0")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-doc", ver:"1.5.0-5+deb7u2", rls:"DEB7.0")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11", ver:"1.5.0-5+deb7u2", rls:"DEB7.1")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-dbg", ver:"1.5.0-5+deb7u2", rls:"DEB7.1")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-dev", ver:"1.5.0-5+deb7u2", rls:"DEB7.1")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-doc", ver:"1.5.0-5+deb7u2", rls:"DEB7.1")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11", ver:"1.5.0-5+deb7u2", rls:"DEB7.2")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-dbg", ver:"1.5.0-5+deb7u2", rls:"DEB7.2")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-dev", ver:"1.5.0-5+deb7u2", rls:"DEB7.2")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-doc", ver:"1.5.0-5+deb7u2", rls:"DEB7.2")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11", ver:"1.5.0-5+deb7u2", rls:"DEB7.3")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-dbg", ver:"1.5.0-5+deb7u2", rls:"DEB7.3")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-dev", ver:"1.5.0-5+deb7u2", rls:"DEB7.3")) != NULL) {
report += res;
}
if ((res = isdpkgvuln(pkg:"libgcrypt11-doc", ver:"1.5.0-5+deb7u2", rls:"DEB7.3")) != NULL) {
report += res;
}
if (report != "") {
security_message(data:report);
} else if (__pkg_match) {
exit(99); # Not vulnerable.
}