Debian Security Advisory DSA 2730-1 (gnupg - information leak)

# OpenVAS Vulnerability Test
# $Id: deb_2730.nasl 6611 2017-07-07 12:07:20Z cfischer $
# Auto-generated from advisory DSA 2730-1 using nvtgen 1.0
# Script version: 1.0
#
# Author:
# Greenbone Networks
#
# Copyright:
# Copyright (c) 2013 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.
#

include("revisions-lib.inc");

tag_affected  = "gnupg on Debian Linux";
tag_insight   = "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 RFC2440.";
tag_solution  = "For the oldstable distribution (squeeze), this problem has been fixed in
version 1.4.10-4+squeeze2.

For the stable distribution (wheezy), this problem has been fixed in
version 1.4.12-7+deb7u1.

For the unstable distribution (sid), this problem has been fixed in
version 1.4.14-1.

We recommend that you upgrade your gnupg packages.";
tag_summary   = "Yarom and Falkner discovered that RSA secret keys could be leaked via
a side channel attack, where a malicious local user could obtain private
key information from another user on the system.

This update fixes this issue for the 1.4 series of GnuPG. GnuPG 2.x is
affected through its use of the libgcrypt11 library, a fix for which
will be published in DSA 2731.";
tag_vuldetect = "This check tests the installed software version using the apt package manager.";

if(description)
{
    script_id(892730);
    script_version("$Revision: 6611 $");
    script_cve_id("CVE-2013-4242");
    script_name("Debian Security Advisory DSA 2730-1 (gnupg - information leak)");
    script_tag(name: "last_modification", value:"$Date: 2017-07-07 14:07:20 +0200 (Fri, 07 Jul 2017) $");
    script_tag(name: "creation_date", value:"2013-07-29 00:00:00 +0200 (Mon, 29 Jul 2013)");
    script_tag(name: "cvss_base", value:"1.9");
    script_tag(name: "cvss_base_vector", value:"AV:L/AC:M/Au:N/C:P/I:N/A:N");

    script_xref(name: "URL", value: "http://www.debian.org/security/2013/dsa-2730.html");


    script_category(ACT_GATHER_INFO);

    script_copyright("Copyright (c) 2013 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: tag_affected);
    script_tag(name: "insight",   value: tag_insight);
#    script_tag(name: "impact",    value: tag_impact);
    script_tag(name: "solution",  value: tag_solution);
    script_tag(name: "summary",   value: tag_summary);
    script_tag(name: "vuldetect", value: tag_vuldetect);
    script_tag(name:"qod_type", value:"package");
    script_tag(name:"solution_type", value:"VendorFix");

    exit(0);
}

include("pkg-lib-deb.inc");

res = "";
report = "";
if ((res = isdpkgvuln(pkg:"gnupg", ver:"1.4.10-4+squeeze2", rls:"DEB6.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg-curl", ver:"1.4.10-4+squeeze2", rls:"DEB6.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg-udeb", ver:"1.4.10-4+squeeze2", rls:"DEB6.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gpgv", ver:"1.4.10-4+squeeze2", rls:"DEB6.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gpgv-udeb", ver:"1.4.10-4+squeeze2", rls:"DEB6.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg", ver:"1.4.12-7+deb7u1", rls:"DEB7.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg-curl", ver:"1.4.12-7+deb7u1", rls:"DEB7.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gpgv", ver:"1.4.12-7+deb7u1", rls:"DEB7.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gpgv-win32", ver:"1.4.12-7+deb7u1", rls:"DEB7.0")) != NULL) {
    report += res;
}

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