Robo-FTP Response Processing Buffer Overflow Vulnerability

# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.801054");
  script_version("2023-07-27T05:05:08+0000");
  script_tag(name:"last_modification", value:"2023-07-27 05:05:08 +0000 (Thu, 27 Jul 2023)");
  script_tag(name:"creation_date", value:"2009-12-02 13:54:57 +0100 (Wed, 02 Dec 2009)");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_cve_id("CVE-2009-4103");
  script_name("Robo-FTP Response Processing Buffer Overflow Vulnerability");
  script_xref(name:"URL", value:"http://secunia.com/advisories/37452");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/37143");
  script_xref(name:"URL", value:"http://en.securitylab.ru/nvd/388275.php");

  script_tag(name:"qod_type", value:"executable_version");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Buffer overflow");
  script_dependencies("gb_robo_ftp_client_detect.nasl");
  script_mandatory_keys("Robo/FTP/Ver");
  script_tag(name:"impact", value:"Successful exploitation will let the user execute arbitrary code
in the context of the vulnerable application. Failed exploit attempts will
likely result in a denial-of-service condition.");
  script_tag(name:"affected", value:"Robo-FTP Client version 3.6.17 and prior.");
  script_tag(name:"insight", value:"The flaw is due to a boundary error when processing certain
responses from the FTP server. This can be exploited to overflow a global buffer
by tricking a user into connecting to a malicious FTP server.");
  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"solution", value:"Update to version 3.7.0 or later.");
  script_tag(name:"summary", value:"Robo-FTP is prone to a buffer overflow vulnerability.");

  exit(0);
}

include("version_func.inc");

roboftpVer = get_kb_item("Robo/FTP/Ver");
if(roboftpVer != NULL)
{
  if(version_is_less_equal(version:roboftpVer, test_version:"3.6.17.13")){
   report = report_fixed_ver(installed_version:roboftpVer, vulnerable_range:"Less than or equal to 3.6.17.13", fixed_version:"3.7.0");
   security_message(port: 0, data: report);
  }
}