what you don't know can hurt you

Base Soundtouch 18.1.4 Cross Site Scripting

Base Soundtouch 18.1.4 Cross Site Scripting
Posted Jan 7, 2019
Authored by Tim Schughart

Base Soundtouch iOS application version 18.1.4 suffers from a cross site scripting vulnerability.

tags | exploit, xss
systems | ios
advisories | CVE-2018-12638
MD5 | 49c49a5038a429f43d29d588d692f381

Base Soundtouch 18.1.4 Cross Site Scripting

Change Mirror Download
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: c.hein@prosec-networks.com
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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