Zope < 2.5.1b1 / 2.6.0b1 Information Disclosure Vulnerability - Active Check

# SPDX-FileCopyrightText: 2003 Michel Arboi
# 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:zope:zope";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.11234");
  script_version("2023-10-06T05:06:29+0000");
  script_tag(name:"last_modification", value:"2023-10-06 05:06:29 +0000 (Fri, 06 Oct 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");

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

  script_name("Zope < 2.5.1b1 / 2.6.0b1 Information Disclosure Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2003 Michel Arboi");
  script_family("Web Servers");
  script_dependencies("gb_zope_http_detect.nasl");
  script_mandatory_keys("zope/http/detected");
  script_require_ports("Services/www", 80);

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

  script_tag(name:"summary", value:"Zope is prone to an information disclosure vulnerability.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP POST request and checks the response.");

  script_tag(name:"insight", value:"Zope reveals the installation path when an invalid XML RPC
  request is sent.");

  script_tag(name:"affected", value:"Zope prior to version 2.5.1b1 / 2.6.0b1.");

  script_tag(name:"solution", value:"Update to version 2.5.1b1 / 2.6.0b1 or later.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/5806");

  exit(0);
}

include("http_func.inc");
include("misc_func.inc");
include("host_details.inc");

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

if (!get_app_location(cpe: CPE, port: port, nofork: TRUE))
  exit(0);

vt_strings = get_vt_strings();

# The proof of concept request was:
# POST /Documentation/comp_tut HTTP/1.0
# Host: localhost
# Content-Type: text/xml
# Content-length: 93
#
# <?xml version="1.0"?>
# <methodCall>
# <methodName>objectIds</methodName>
# <params/>
# </methodCall>
#
# but it does not seem to be necessary IIRC.

url = "/Foo/Bar/" + vt_strings["default"];
req = http_post(port: port, item: url);
res = http_send_recv(port: port, data: req);

if (egrep(string: res, pattern: "(File|Bobo-Exception-File:) +(/[^/]*)*/[^/]+.py")) {
  report = http_report_vuln_url(port: port, url: url);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);