BreakCalendar < 1.3 XSS

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

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

if (description)
{
 script_id(14225);
 script_version("1.29");

 script_bugtraq_id(10847);

 script_name(english:"BreakCalendar < 1.3 XSS");

 script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a CGI that is affected by a cross-site
scripting vulnerability." );
 script_set_attribute(attribute:"description", value:
"The remote host seems to be running BreakCalendar, a web-based
calendar.

The remote version of this software is vulnerable to a cross-site
scripting attack that may allow an attacker to use the remote host to
perform attacks against third-party users." );
 script_set_attribute(attribute:"solution", value:
"Upgrade to version 1.3." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N");
 script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
 script_set_attribute(attribute:"exploit_available", value:"true");
 script_cwe_id(20, 74, 79, 442, 629, 711, 712, 722, 725, 750, 751, 800, 801, 809, 811, 864, 900, 928, 931, 990);

 script_set_attribute(attribute:"plugin_publication_date", value: "2004/08/09");
 script_set_attribute(attribute:"vuln_publication_date", value: "2004/07/01");
 script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();


 script_summary(english:"Checks for BreakCalendar version");
 script_category(ACT_ATTACK);
 script_copyright(english:"This script is Copyright (C) 2004-2021 Tenable Network Security, Inc.");
 script_family(english:"CGI abuses : XSS");
 script_dependencie("http_version.nasl");
 script_require_ports("Services/www", 80);
 script_exclude_keys("Settings/disable_cgi_scanning");
 exit(0);
}

#
# The script code starts here
#

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

port = get_http_port(default:80, embedded:TRUE);

if(!get_port_state(port))
	exit(0);

function check(url)
{
	local_var r, req;
	req = http_get(item:string(url, "/breakcal/calendar.cgi"),
 		port:port);
	r = http_keepalive_send_recv(port:port, data:req);
	if ( r == NULL ) 
		exit(0);
	#Powered by breakcal v1.65pr1
	if(egrep(pattern:"Powered by breakcal v1\.[0-4][0-9]*[^0-9]", string:r))
 	{
 		security_warning(port);
		set_kb_item(name: 'www/'+port+'/XSS', value: TRUE);
		exit(0);
	}
 
}

foreach dir (cgi_dirs())
{
 	check(url:dir);
}