Debian Security Advisory DSA 3867-1 (sudo - security update)

# OpenVAS Vulnerability Test
# $Id: deb_3867.nasl 6607 2017-07-07 12:04:25Z cfischer $
# Auto-generated from advisory DSA 3867-1 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_id(703867);
    script_version("$Revision: 6607 $");
    script_cve_id("CVE-2017-1000367");
    script_name("Debian Security Advisory DSA 3867-1 (sudo - security update)");
    script_tag(name: "last_modification", value: "$Date: 2017-07-07 14:04:25 +0200 (Fri, 07 Jul 2017) $");
    script_tag(name: "creation_date", value: "2017-05-30 00:00:00 +0200 (Tue, 30 May 2017)");
    script_tag(name:"cvss_base", value:"6.9");
    script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
    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-3867.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");
    script_tag(name: "affected",  value: "sudo on Debian Linux");
        script_tag(name: "insight",   value: "Sudo is a program designed to allow a sysadmin to give limited root
privileges to users and log root activity. The basic philosophy is to give
as few privileges as possible but still allow people to get their work done.");
    script_tag(name: "solution",  value: "For the stable distribution (jessie), this problem has been fixed in
version 1.8.10p3-1+deb8u4.

We recommend that you upgrade your sudo packages.");
    script_tag(name: "summary",   value: "The Qualys Security team discovered that sudo, a program designed to
provide limited super user privileges to specific users, does not
properly parse '/proc/[pid]/stat' to read the device number of the tty
from field 7 (tty_nr). A sudoers user can take advantage of this flaw on
an SELinux-enabled system to obtain full root privileges.");
    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:"sudo", ver:"1.8.10p3-1+deb8u4", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"sudo-ldap", ver:"1.8.10p3-1+deb8u4", rls_regex:"DEB8.[0-9]+", remove_arch:TRUE )) != NULL) {
    report += res;
}

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