Zarafa WebApp Denial of Service Vulnerability

# SPDX-FileCopyrightText: 2014 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:zarafa:webapp";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105139");
  script_version("2023-10-27T16:11:32+0000");
  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("Zarafa WebApp Denial of Service Vulnerability");

  script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1139442");

  script_tag(name:"impact", value:"Remote attackers can exploit this issue to cause denial-of-service
conditions.");

  script_tag(name:"vuldetect", value:"Check for the existence of /senddocument.php");

  script_tag(name:"insight", value:"A flaw in Zarafa WebApp could allow a remote unauthenticated attacker
to exhaust the disk space of /tmp. Depending on the setup /tmp might be on / (e.g. RHEL).");

  script_tag(name:"solution", value:"Delete the file '/senddocument.php' (It's neither referenced nor used anywhere)
or update to 2.0 beta 3 (SVN 46848).");

  script_tag(name:"summary", value:"Zarafa WebApp is prone to a denial of service (DoS) vulnerability.");
  script_tag(name:"affected", value:"Zarafa WebApp < 2.0 beta 3 (SVN 46848)");

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

  script_tag(name:"last_modification", value:"2023-10-27 16:11:32 +0000 (Fri, 27 Oct 2023)");
  script_tag(name:"creation_date", value:"2014-12-08 13:27:31 +0100 (Mon, 08 Dec 2014)");
  script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"remote_vul");
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2014 Greenbone AG");
  script_dependencies("gb_zarafa_webapp_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("zarafa_webapp/installed");

  exit(0);
}

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


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

url = dir + '/senddocument.php';
req = http_get( item:url, port:port );
buf = http_keepalive_send_recv( port:port, data:req, bodyonly:FALSE );

if( buf =~ "HTTP/1\.. 200" && "&attachment_id=" >< buf )
{
  security_message( port:port );
  exit( 0 );
}

exit( 99 );