Junos DoS Vulnerability

2017-07-13T00:00:00
ID OPENVAS:1361412562310106950
Type openvas
Reporter This script is Copyright (C) 2017 Greenbone Networks GmbH
Modified 2017-07-13T00:00:00

Description

Junos OS is prone to a denial of service vulnerability in sendmsg().

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_junos_jsa10797.nasl 6714 2017-07-13 09:15:20Z ckuersteiner $
#
# Junos DoS Vulnerability
#
# Authors:
# Christian Kuersteiner <christian.kuersteiner@greenbone.net>
#
# Copyright:
# Copyright (c) 2017 Greenbone Networks GmbH
#
# 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.
###############################################################################

CPE = 'cpe:/o:juniper:junos';

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.106950");
  script_version ("$Revision: 6714 $");
  script_tag(name: "last_modification", value: "$Date: 2017-07-13 11:15:20 +0200 (Thu, 13 Jul 2017) $");
  script_tag(name: "creation_date", value: "2017-07-13 15:37:21 +0700 (Thu, 13 Jul 2017)");
  script_tag(name: "cvss_base", value: "7.2");
  script_tag(name: "cvss_base_vector", value: "AV:L/AC:L/Au:N/C:C/I:C/A:C");

  script_cve_id("CVE-2016-1887");

  script_tag(name: "qod_type", value: "package");

  script_tag(name: "solution_type", value: "VendorFix");

  script_name("Junos DoS Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_family("JunOS Local Security Checks");
  script_copyright("This script is Copyright (C) 2017 Greenbone Networks GmbH");
  script_dependencies("gb_ssh_junos_get_version.nasl","gb_junos_snmp_version.nasl");
  script_mandatory_keys("Junos/Version");

  script_tag(name: "summary", value: "Junos OS is prone to a denial of service vulnerability in sendmsg().");

  script_tag(name: "vuldetect" , value: "Check the OS build.");

  script_tag(name: "insight", value: "Incorrect argument handling in the socket code allows a malicious local
user to overwrite large portions of the kernel memory, and in doing so may be able to take control of the system
or crash the system.");

  script_tag(name: "affected", value: "Junos OS 14.1X53, 14.2, 15.1, 15.1X49, 15.1X53.");

  script_tag(name: "solution" , value: "New builds of Junos OS software are available from Juniper.");

  script_xref(name:"URL", value:"http://kb.juniper.net/JSA10797");

  exit(0);
}

include("host_details.inc");
include("revisions-lib.inc");
include("version_func.inc");

if (!version = get_app_version(cpe: CPE, nofork: TRUE))
  exit(0);

if (version =~ "^14") {
  if ((revcomp(a: version, b: "14.1X53-D40") < 0) &&
      (revcomp(a: version, b: "14.1X53") >= 0)) {
    report = report_fixed_ver(installed_version: version, fixed_version: "14.1X53-D40");
    security_message(port: 0, data: report);
    exit(0);
  }
  else if ((revcomp(a: version, b: "14.2R7") < 0) &&
           (revcomp(a: version, b: "14.2R") >= 0)) {
    report = report_fixed_ver(installed_version: version, fixed_version: "14.2R7");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^15") {
  if ((revcomp(a: version, b: "15.1F7") < 0) &&
      (revcomp(a: version, b: "15.1F") >= 0)) {
    report = report_fixed_ver(installed_version: version, fixed_version: "15.1F7");
    security_message(port: 0, data: report);
    exit(0);
  }
  else if ((revcomp(a: version, b: "15.1R5") < 0) &&
           (revcomp(a: version, b: "15.1R") >= 0)) {
    report = report_fixed_ver(installed_version: version, fixed_version: "15.1R5");
    security_message(port: 0, data: report);
    exit(0);
  }
  else if ((revcomp(a: version, b: "15.1X49-D60") < 0) &&
           (revcomp(a: version, b: "15.1X49") >= 0)) {
    report = report_fixed_ver(installed_version: version, fixed_version: "15.1X49-D60");
    security_message(port: 0, data: report);
    exit(0);
  }
  else if ((revcomp(a: version, b: "15.1X53-D60") < 0) &&
           (revcomp(a: version, b: "15.1X53") >= 0)) {
    report = report_fixed_ver(installed_version: version, fixed_version: "15.1X53-D60");
    security_message(port: 0, data: report);
    exit(0);
  }
}

exit(99);