Eggdrop < 1.6.19+ctcpfix Remote DoS Vulnerability

# Copyright (C) 2009 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:/a:eggheads:eggdrop";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100207");
  script_version("2022-05-09T13:48:18+0000");
  script_tag(name:"last_modification", value:"2022-05-09 13:48:18 +0000 (Mon, 09 May 2022)");
  script_tag(name:"creation_date", value:"2009-05-16 14:32:16 +0200 (Sat, 16 May 2009)");
  script_cve_id("CVE-2009-1789");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");

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

  script_name("Eggdrop < 1.6.19+ctcpfix Remote DoS Vulnerability");

  script_tag(name:"qod_type", value:"remote_banner");
  script_category(ACT_GATHER_INFO);
  script_family("Denial of Service");
  script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
  script_dependencies("eggdrop_detect.nasl");
  script_mandatory_keys("eggdrop/installed");

  script_tag(name:"summary", value:"Eggdrop is prone to a remote denial of service (DoS)
  vulnerability because it fails to adequately validate user-supplied input.");

  script_tag(name:"insight", value:"This issue is related to the vulnerability described in BID 2407
  (Eggdrop Server Module Message Handling Remote Buffer Overflow Vulnerability).");

  script_tag(name:"impact", value:"An attacker may exploit this issue to crash the application,
  resulting in a DoS condition.");

  script_tag(name:"affected", value:"Eggdrop prior to version 1.6.19+ctcpfix.");

  script_tag(name:"solution", value:"Update to version 1.6.19+ctcpfix or later.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/34985");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (!port = get_app_port(cpe: CPE))
  exit(0);

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

if (version_is_less(version: version, test_version: "1.6.19+ctcpfix")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "1.6.19+ctcpfix");
  security_message(port: port, data: report);
  exit(0);
}

exit(99);