ERNW Security Advisory 01/2006
ERNW Security Advisory 01-2006
Buffer Overflow in Algorithmic Researchs PrivateWire Online Registration
Facility
Author:
Michael Thumann <mthumann[at]ernw.de>
Homepage: http://www.ernw.de
1. Summary:
The Online Registration Facility of Algorithmic Research PrivateWire VPN
Software
doesn't do proper bounds checking handling normal GET requests.
Sending an overlong page or script name, it causes a buffer overflow and an
attacker
can control the EIP to run arbitrary code on the victims machine.
2. Severity : Critical
3. Products affected
All Versions of the PrivateWire Gateway Software up to version 3.7
4. Patch Availability :
A patch is available from the vendor www.arx.com
5. Details
The follwoing request causes PrivateWire to crash:
GET /AAAAAA.....AAAA with 8160 As
6. Solution
Contact the vendor and install the patch.
7. Time-Line
19 Dec 2005: Vulnerability reported to vendor
21 Dec 2005: Telephone conference with vendor
04 Apr 2006: Patch available
26 June 2006: Public Disclosure
8. Disclaimer
The informations in this advisory are provided "AS IS" without warranty
of any kind. In no event shall the authors be liable for any damages
whatsoever including direct, indirect, incidental, consequential,
loss of business profits or special damages due to the misuse of any
information provided in this advisory.