osCommerce 'oscid' Session Fixation 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:oscommerce:oscommerce";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100099");
  script_version("2021-07-20T10:07:38+0000");
  script_tag(name:"last_modification", value:"2021-07-20 10:07:38 +0000 (Tue, 20 Jul 2021)");
  script_tag(name:"creation_date", value:"2009-04-05 13:52:05 +0200 (Sun, 05 Apr 2009)");
  script_tag(name:"cvss_base", value:"8.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:P/A:P");

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

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

  script_name("osCommerce 'oscid' Session Fixation Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_oscommerce_http_detect.nasl");
  script_mandatory_keys("oscommerce/http/detected");
  script_require_ports("Services/www", 443);

  script_tag(name:"summary", value:"osCommerce is prone to a session-fixation vulnerability.");

  script_tag(name:"impact", value:"Attackers can exploit this issue to hijack a user's session and gain
  unauthorized access to the affected application.");

  script_tag(name:"affected", value:"osCommerce 2.2 and 3.0 Beta. Other versions may also be affected.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/34348");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since the disclosure
  of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer
  release, disable respective features, remove the product or replace the product by another one.");

  exit(0);
}

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

if( ! port = get_app_port( cpe:CPE, service:"www" ) )
  exit( 0 );

if( ! dir = get_app_location( cpe:CPE, port:port ) )
  exit( 0 );

if( dir == "/" )
  dir = "";

url = dir + "/index.php?osCsid=a815a815a815a815";

req = http_get(item:url, port:port);
buf = http_keepalive_send_recv(port:port, data:req, bodyonly:FALSE);
if(!buf)
  exit(0);

if( egrep( pattern:"[a-zA-Z]+\.php\?osCsid=a815a815a815a815", string:buf ) &&
    ! egrep( pattern:"Set-Cookie: osCsid=[a-zA-Z0-9]+" , string:buf ) ) {
  report = http_report_vuln_url ( port:port, url:url );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );