Debian Security Advisory DSA 2968-1 (gnupg2 - security update)

2014-06-27T00:00:00
ID OPENVAS:1361412562310702968
Type openvas
Reporter Copyright (c) 2014 Greenbone Networks GmbH http://greenbone.net
Modified 2018-04-06T00:00:00

Description

Jean-René Reinhard, Olivier Levillain and Florian Maury reported that GnuPG, the GNU Privacy Guard, did not properly parse certain garbled compressed data packets. A remote attacker could use this flaw to mount a denial of service against GnuPG by triggering an infinite loop.

                                        
                                            # OpenVAS Vulnerability Test
# $Id: deb_2968.nasl 9354 2018-04-06 07:15:32Z cfischer $
# Auto-generated from advisory DSA 2968-1 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.
#

tag_affected  = "gnupg2 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 stable distribution (wheezy), this problem has been fixed in
version 2.0.19-2+deb7u2.

For the testing distribution (jessie), this problem has been fixed in
version 2.0.24-1.

For the unstable distribution (sid), this problem has been fixed in
version 2.0.24-1.

We recommend that you upgrade your gnupg2 packages.";
tag_summary   = "Jean-René Reinhard, Olivier Levillain and Florian Maury reported that
GnuPG, the GNU Privacy Guard, did not properly parse certain garbled
compressed data packets. A remote attacker could use this flaw to mount
a denial of service against GnuPG by triggering an infinite loop.";
tag_vuldetect = "This check tests the installed software version using the apt package manager.";

if(description)
{
    script_oid("1.3.6.1.4.1.25623.1.0.702968");
    script_version("$Revision: 9354 $");
    script_cve_id("CVE-2014-4617");
    script_name("Debian Security Advisory DSA 2968-1 (gnupg2 - security update)");
    script_tag(name: "last_modification", value:"$Date: 2018-04-06 09:15:32 +0200 (Fri, 06 Apr 2018) $");
    script_tag(name: "creation_date", value:"2014-06-27 00:00:00 +0200 (Fri, 27 Jun 2014)");
    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_xref(name: "URL", value: "http://www.debian.org/security/2014/dsa-2968.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: 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("revisions-lib.inc");
include("pkg-lib-deb.inc");

res = "";
report = "";
if ((res = isdpkgvuln(pkg:"gnupg-agent", ver:"2.0.19-2+deb7u2", rls:"DEB7.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg2", ver:"2.0.19-2+deb7u2", rls:"DEB7.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gpgsm", ver:"2.0.19-2+deb7u2", rls:"DEB7.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"scdaemon", ver:"2.0.19-2+deb7u2", rls:"DEB7.0")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg-agent", ver:"2.0.19-2+deb7u2", rls:"DEB7.1")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg2", ver:"2.0.19-2+deb7u2", rls:"DEB7.1")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gpgsm", ver:"2.0.19-2+deb7u2", rls:"DEB7.1")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"scdaemon", ver:"2.0.19-2+deb7u2", rls:"DEB7.1")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg-agent", ver:"2.0.19-2+deb7u2", rls:"DEB7.2")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg2", ver:"2.0.19-2+deb7u2", rls:"DEB7.2")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gpgsm", ver:"2.0.19-2+deb7u2", rls:"DEB7.2")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"scdaemon", ver:"2.0.19-2+deb7u2", rls:"DEB7.2")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg-agent", ver:"2.0.19-2+deb7u2", rls:"DEB7.3")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gnupg2", ver:"2.0.19-2+deb7u2", rls:"DEB7.3")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"gpgsm", ver:"2.0.19-2+deb7u2", rls:"DEB7.3")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"scdaemon", ver:"2.0.19-2+deb7u2", rls:"DEB7.3")) != NULL) {
    report += res;
}

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