Tomcat 4.x JSP Source Exposure - Active Check

# SPDX-FileCopyrightText: 2002 Felix Huber
# 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:apache:tomcat";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.11176");
  script_version("2024-04-11T05:05:26+0000");
  script_tag(name:"last_modification", value:"2024-04-11 05:05:26 +0000 (Thu, 11 Apr 2024)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_cve_id("CVE-2002-1148", "CVE-2002-1394");
  script_name("Tomcat 4.x JSP Source Exposure - Active Check");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2002 Felix Huber");
  script_family("Web Servers");
  script_dependencies("gb_apache_tomcat_consolidation.nasl", "webmirror.nasl");
  script_require_ports("Services/www", 8080);
  script_mandatory_keys("apache/tomcat/http/detected");

  script_xref(name:"URL", value:"http://jakarta.apache.org/builds/jakarta-tomcat-4.0/release/");
  script_xref(name:"URL", value:"https://web.archive.org/web/20210215033857/http://www.securityfocus.com/bid/5786");
  script_xref(name:"URL", value:"https://web.archive.org/web/20210131000012/http://www.securityfocus.com/bid/6562/");

  script_tag(name:"summary", value:"Tomcat 4.0.4 and 4.1.10 (probably all other earlier versions
  also) are vulnerable to source code exposure by using the default servlet
  org.apache.catalina.servlets.DefaultServlet.");

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

  script_tag(name:"solution", value:"Update to version 4.0.5, 4.1.12 or later.");

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

  exit(0);
}

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

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

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

host = http_host_name( dont_add_port:TRUE );

files = http_get_kb_file_extensions( port:port, host:host, ext:"jsp" );

if( ! isnull( files ) ) {
  files = make_list( files );
  file = files[0];
} else {
  file = "/index.jsp";
}

url = "/servlet/org.apache.catalina.servlets.DefaultServlet" + file;
req = http_get( item:url, port:port );
res = http_keepalive_send_recv( port:port, data:req, bodyonly:FALSE );
if( isnull( res) ) exit( 0 );

if( "<%@" >< res ) {
  report = http_report_vuln_url( port:port, url:url );
  security_message( port:port, data:report );
  exit( 0 );
}

if( res =~ "^HTTP/1\.[01] 200" ) {
  if( "Server: Apache Tomcat/4\." >< res ) {
    report = http_report_vuln_url( port:port, url:url );
    security_message( port:port, data:report );
    exit( 0 );
  }
}

exit( 99 );