Persistent XSS in Abus Security Center - CVSS 8.0

[Tim Schughart <t.schughart () prosec-networks com>]

Hi@all, 

Product: Abus Security Cams 
Vendor:Abus Group  

Internal reference: - 
Vulnerability type: Cross Site Scripting 
Vulnerable version: 0101a and possible other versions affected (not tested)
Vulnerable component: FTP
Report confidence: Confirmed
Solution status: Not fixed by Vendor, will not patch the vuln. 
Fixed versions: -
Researcher credits: Tim Schughart & Khanh Quoc Pham of ProSec Networks
Vendor notification: 2016-09-21
Solution date: 
Public disclosure: 2016-09-29
CVE reference: 
CVSSv3: 8.0 AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 
<https://nvd.nist.gov/cvss/v3-calculator?vector=AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H>

Vulnerability Details:
The entered username via FTP login is reflected to the log which is rendered in the web interface without input 
validation. This results in an successfull, persistent, XSS.

Risk:
Through this you are able to get e.g. the session cookies of the cams administrator. So you are able to get full access 
- persistent. 

PoC: 
FTP Username: <script>alert(document.cookie)</script> 
FTP Pass: any 

Browse to log and watch the popup :) 


Best regards / Mit freundlichen Grüßen 

Tim Schughart 
CEO / Geschäftsführer  

--
ProSec Networks e.K.
Ellingshohl 82
56076 Koblenz 

Website: https://www.prosec-networks.com <http://www.prosec-networks.com/> 
E-Mail: t.schughart () prosec networks com <mailto:info () prosec networks com> 
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Phone: +49 (0)261 450 930 90

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