Addonics NAS Adapter FTP Remote Denial of Service

2009-05-02 / 2009-05-03

Credit: Mike Cyr, aka h00die

Risk: High

Local: No

Remote: Yes

CVE: CVE-2009-4753

CWE: CWE-119

CVSS Base Score: 7.1/10

Impact Subscore: 6.9/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: None

Integrity impact: None

Availability impact: Complete

 Remote: yes

Local: no

Credit: Mike Cyr, aka h00die

Vulnerable: NASU2FW41 Loader 1.17

Not Vulnerable:

Discussion:

The FTP server included with the Addonics NAS Adapter is vulnerable to 3 remote BoF conditions which result in a DoS and requires a device reboot as the entire tcp/ip stack is crashed.

Exploit:
http://milw0rm.com/exploits/8584
the RMDIR, Delete, Rename functions are all vulnerable.

Log: Vendor notification March 25, 2009 (ticket 497283)
     Vendor response March 26, 2009
     Milw0rm code release April 1, 2009
     Security Focus Notification April 1, 2009

References:

Vendor/Product Website: http://www.addonics.com/products/nas/nasu2.asp

References:

http://xforce.iss.net/xforce/xfdb/50289

http://www.securityfocus.com/bid/34796

http://www.securityfocus.com/archive/1/archive/1/503146/100/0/threaded

http://www.milw0rm.com/exploits/8584

http://secunia.com/advisories/34965

See this note in RAW Version

Vote for this issue:

50%

Thanks for you vote!

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

Comment it here.

Nick (*)

Email (*)

Video

Text (*)

(*) - required fields.

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

{{ x.comment }}

Addonics NAS Adapter FTP Remote Denial of Service

References:

Thanks for you vote!

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

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