Nmap Development mailing list archives

Re: http-passwd Result

From: David Fifield <david () bamsoftware com>
Date: Tue, 16 Nov 2010 11:42:46 -0800

On Tue, Nov 16, 2010 at 09:40:17AM -0600, Ron wrote:

On Mon, 15 Nov 2010 05:28:07 -0800 (PST) Zack Dela <ny101880 () yahoo com> wrote:

I would like to get some light on the result of the script. I wonder
how to manually go to that directory (I mean what parameter I will
put in the URL to find the vulnerability manually)
Im confused of the result and how to actually browse the site and
traverse to it.
The site is something like this https://x.x.x.x/


Command 1 (Machine A):
nmap -sV -p 80,443 -d --script http-passwd x.x.x.x

Result:
443/tcp open  ssl/http syn-ack Serv-U httpd x.x.x.x
| http-passwd: Directory traversal found.
| Payload: "%2F%2Fetc%2Fpasswd"
| Printing first 250 bytes:
|_<!DOCTYPE HTML PUBLIC "-//W3C//



Command 2 (Machine B):
nmap -sV -p 80,443 -d --script http-passwd x.x.x.x

Result:
443/tcp open  ssl/http syn-ack VMware View Manager httpd
| http-passwd: Directory traversal found.
| Payload: "%2F%2Fetc%2Fpasswd"
| Printing first 250 bytes:
| 
| 
| 
| <html>
|  <head>
|   <title>VMware View Portal</title>
|   <link rel=stylesheet href="/styles/default/style.css"
type="text/css" /> |  
|    <script type="text/javascript" language="JavaScript" 
src="/styles/default/cookieFunctions.js">
|_   </script>


Hoping anyone can help. I just wanted to see if the machine is
vulnerbale or not.


Looks like you aren't vulnerable. The page is returning an HTTP page,
not the passwd file.


I think this is a false positive that is fixed in the latest version of
the script at http://nmap.org/svn/scripts/http-passwd.nse. The script
does a simple check on the returned document to see if it looks like a
passwd or boot.ini file. But there was bug in the matching code that was
fixed in r20378. Anyone familiar with Lua patterns should be able to see
what was going wrong:

-if response.body:match("^[^:]+:[^:]*:[0-9]+:[0-9]+:") or response.body:match("\[boot loader\]") then
+if response.body:match("^[^:]+:[^:]*:[0-9]+:[0-9]+:") or response.body:match("%[boot loader%]") then

The first pattern was matching against the character class [abdelort ],
not the literal string "[boot loader]".

David Fifield
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Current thread:

http-passwd Result Zack Dela (Nov 15)
- Re: http-passwd Result Ron (Nov 16)
  - Re: http-passwd Result David Fifield (Nov 16)
    - Re: http-passwd Result Zack Dela (Nov 16)
    - Re: http-passwd Result Gutek (Nov 17)
  - Re: http-passwd Result Zack Dela (Nov 16)