Juniper Networks Junos OS Flowd DoS Vulnerability (JSA10650)

# Copyright (C) 2014 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# 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("1.3.6.1.4.1.25623.1.0.105930");
  script_cve_id("CVE-2014-3825");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_version("2023-01-23T10:11:56+0000");

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

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

  script_name("Juniper Networks Junos OS Flowd DoS Vulnerability (JSA10650)");

  script_xref(name:"URL", value:"http://kb.juniper.net/JSA10650");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/70366");

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

  script_tag(name:"vuldetect", value:"Checks if a vulnerable OS build is present on the target host.");

  script_tag(name:"insight", value:"On SRX Series devices, when any ALG is enabled, a certain
  crafted packet may cause the flowd process to crash.");

  script_tag(name:"impact", value:"An attacker can crash the flowd process causing a DoS.");

  script_tag(name:"affected", value:"Junos OS 11.4, 12.1.");

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

  As a workaround disable ALGs if they are not required or enable flow-based processing for IPv6
  traffic.");

  script_tag(name:"last_modification", value:"2023-01-23 10:11:56 +0000 (Mon, 23 Jan 2023)");
  script_tag(name:"creation_date", value:"2014-11-20 11:15:27 +0700 (Thu, 20 Nov 2014)");

  script_category(ACT_GATHER_INFO);
  script_family("JunOS Local Security Checks");
  script_copyright("Copyright (C) 2014 Greenbone Networks GmbH");
  script_dependencies("gb_juniper_junos_consolidation.nasl");
  script_mandatory_keys("juniper/junos/detected", "juniper/junos/model");

  exit(0);
}

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

model = get_kb_item("juniper/junos/model");
if (!model || model !~ "^SRX")
  exit(99);

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

if (revcomp(a:version, b:"11.4R12-S4") < 0) {
  security_message(port:0, data:version);
  exit(0);
}

if (version =~ "^12") {
  if (revcomp(a:version, b:"12.1X44-D40") < 0) {
    security_message(port:0, data:version);
    exit(0);
  }
  else if ((revcomp(a:version, b:"12.1X45-D30") < 0) &&
           (revcomp(a:version, b:"12.1X45") >= 0)) {
    security_message(port:0, data:version);
    exit(0);
  }
  else if ((revcomp(a:version, b:"12.1X46-D25") < 0) &&
           (revcomp(a:version, b:"12.1X46") >= 0)) {
    security_message(port:0, data:version);
    exit(0);
  }
  else if ((revcomp(a:version, b:"12.1X47-D10") < 0) &&
           (revcomp(a:version, b:"12.1X47") >= 0)) {
    security_message(port:0, data:version);
    exit(0);
  }
  }

exit(99);