Search This Blog

Wednesday, July 27, 2005

[NT] PeanutHull Local Privilege Escalation

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
- - promotion

The SecuriTeam alerts list - Free, Accurate, Independent.

Get your security news from a reliable source.
http://www.securiteam.com/mailinglist.html

- - - - - - - - -

PeanutHull Local Privilege Escalation
------------------------------------------------------------------------

SUMMARY

<http://www.oray.net > Oray Inc. is the world's biggest DDNS (Dynamic
Domain Name Service) Provider (According to their WEBSITE). PeanutHull is
the DDNS client.

A local non-privileged user that can access the application via the system
tray, can use PeanutHull to execute commands with Local System privileges.

DETAILS

Vulnerable Systems:
* PeanutHull version 3.0 Beta 5

Immune Systems:
* PeanutHull version 3.0

The vulnerability is caused due to SYSTEM privileges are not dropped when
accessing the PeanutHull from the System Tray icon. A local non-privileged
user can access the application via the system tray and can execute
commands with Local System privileges.

Exploit:
1. Double click on the PeanutHull icon in the Taskbar to open the
PeanutHull window.
2. Click Help, click BBS
3. Type C:\ in the poped up IE Address BAR
4. Navagate to %WINDIR%\System325. click CMD.exe
6. A new command shell will open with SYSTEM privileges

Exploiting this vulnerability allows local non-privileged user to obtain
SYSTEM privilege.

Disclosure Timeline:
13.07.05 - Vendor notified via email
14.07.05 - Vendor responded that this problem will be fixed in the 3.0
final version.
20.07.05 - PeanutHull 3.0 released
20.07.05 - Public disclosure

ADDITIONAL INFORMATION

The information has been provided by <mailto:smaillist@gmail.com> Sowhat.
The original article can be found at:
<http://secway.org/advisory/AD20050720EN.txt>
http://secway.org/advisory/AD20050720EN.txt

========================================

This bulletin is sent to members of the SecuriTeam mailing list.
To unsubscribe from the list, send mail with an empty subject line and body to: list-unsubscribe@securiteam.com
In order to subscribe to the mailing list, simply forward this email to: list-subscribe@securiteam.com

====================
====================

DISCLAIMER:
The information in this bulletin is provided "AS IS" without warranty of any kind.
In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.

No comments: