Serv-U Empty Password Authentication Bypass Vulnerability

# SPDX-FileCopyrightText: 2010 Greenbone AG
# 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-only

CPE = "cpe:/a:serv-u:serv-u";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100914");
  script_version("2023-07-28T16:09:07+0000");
  script_tag(name:"last_modification", value:"2023-07-28 16:09:07 +0000 (Fri, 28 Jul 2023)");
  script_tag(name:"creation_date", value:"2010-11-25 12:46:25 +0100 (Thu, 25 Nov 2010)");
  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_name("Serv-U Empty Password Authentication Bypass Vulnerability");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/44905");
  script_xref(name:"URL", value:"http://www.serv-u.com/releasenotes/");

  script_tag(name:"qod_type", value:"remote_banner");
  script_category(ACT_GATHER_INFO);
  script_family("General");
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_dependencies("gb_solarwinds_serv-u_consolidation.nasl");
  script_mandatory_keys("solarwinds/servu/detected");

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

  script_tag(name:"solution", value:"Updates are available. Please see the references for more information.");

  script_tag(name:"summary", value:"Serv-U is prone to an authentication-bypass vulnerability.");

  script_tag(name:"impact", value:"Attackers can exploit this issue to gain unauthorized access to the
  affected application. However, this requires that the application has password-based authentication disabled.");

  script_tag(name:"affected", value:"Serv-U 10.2.0.2 and versions prior to 10.3.0.1 are vulnerable.");

  exit(0);
}

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

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

if (version_in_range(version: version, test_version: "10.2.0.2", test_version2: "10.3.0.0")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "10.3.0.1");
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);