Base Soundtouch 18.1.4 Cross Site Scripting

`CWE-80 XSS Bose Soundtouch App   
  
Internal reference: -   
Vulnerability type: Cross-Site Scripting (CWE-80)  
Vulnerable version: 18.1.4 and maybe older versions, too (not tested)  
Vulnerable component: IOS Frontend of the application   
Report confidence: Unconfirmed  
Solution status: Could be fixed by vendor?  
Fixed version: -   
Vendor notification: 2018-06-21  
Solution date: ?   
CVE reference: CVE-2018-12638  
CVSSv3: Calculator: 4.3 AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N <https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/CR:X/IR:X/AR:X/MAV:N/MAC:X/MPR:N/MUI:R/MS:U/MC:H/MI:N/MA:N>   
Researcher Credits: Tim Schughart  
  
Vulnerability Details:  
The smartphone name isnat filtered properly and is reflected unfiltered to  
the app. This results in an cross site scritping, if you just connect to the Bose box via the app.   
  
Risk:  
Malicious javascript code can be executed within a users context. This can lead to session hijacking or triggering unwanted actions via the interface.   
  
Steps to reproduce:  
Just name your iOS device in a<script>alert(1)</script>a and pair your box with your smartphone via the app. Many popups will occur.   
  
Solution:  
You should filter the input (the name of connected device)  
  
  
An issue was discovered in the Bose Soundtouch app 18.1.4 for iOS.  
There is no frontend input validation of the device name. A malicious  
device name can execute JavaScript on the  
registered Bose User Account if a speaker has been connected to the app.  
  
History:  
2018-07-17 Informed Vendor about the Security Issue  
2019-01-02 No response from vendor  
2019-01-02 Public release  
  
  
Best regards / Mit freundlichen GrA1/4Aen   
  
Chris Hein  
Penetrationtester  
  
--  
ProSec GmbH  
Robert-Koch-StraAe 1-9  
56751 Polch   
  
Website: https://www.prosec-networks.com   
E-Mail: [email protected]   
Phone: +49 (0)261 450 930 90  
  
Sitz der Gesellschaft / company domiciled in: Polch  
Registergericht / registry court: Amtsgericht Koblenz, HRB 26457  
GeschA$?ftsfA1/4hrer / chief executive: Tim Schughart  
USt-IdNr./ VAT ID: DE290654714  
  
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