Xlight FTP Server Multiple Directory Traversal Vulnerabilities

# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100708");
  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:"2010-07-09 12:33:08 +0200 (Fri, 09 Jul 2010)");
  script_cve_id("CVE-2010-2695");
  script_tag(name:"cvss_base", value:"6.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:P/A:P");
  script_name("Xlight FTP Server Multiple Directory Traversal Vulnerabilities");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/41399");
  script_xref(name:"URL", value:"http://www.xlightftpd.com/whatsnew.htm");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/512192");

  script_category(ACT_GATHER_INFO);
  script_family("General");
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_dependencies("ssh_detect.nasl");
  script_require_ports("Services/ssh", 22);
  script_mandatory_keys("ssh/xlightftpd/detected");

  script_tag(name:"solution", value:"An update is available. Please see the references for more
  information.");

  script_tag(name:"summary", value:"Xlight FTP Server is prone to multiple directory-traversal
  vulnerabilities because it fails to sufficiently sanitize user-supplied input.");

  script_tag(name:"impact", value:"Exploiting these issues may allow an attacker to obtain sensitive
  information which could aid in further attacks.");

  script_tag(name:"affected", value:"Xlight FTP Server 3.5.5 is vulnerable. Other versions may also
  be affected.");

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

  exit(0);
}

include("ssh_func.inc");
include("version_func.inc");
include("misc_func.inc");
include("port_service_func.inc");

port = ssh_get_port(default:22);
banner = ssh_get_serverbanner(port:port);
if(!banner || "xlightftpd" >!< banner)
  exit(0);

version = eregmatch(pattern:"^SSH.*xlightftpd_(release_)?([0-9.]+)$", string:banner);
if(!version[2])
  exit(0);

if(version_is_equal(version:version[2], test_version:"3.5.5")) {
  security_message(port:port);
  exit(0);
}

exit(99);