Vulnerability CVE-2009-3279
Published: 2009-09-21   Modified: 2012-02-13

Description:
The QNAP TS-239 Pro and TS-639 Pro with firmware 2.1.7 0613, 3.1.0 0627, and 3.1.1 0815 create a LUKS partition by using the AES-256 cipher in plain CBC mode, which allows local users to obtain sensitive information via a watermark attack.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Crypto backdoor in Qnap storage devices (CVE-2009-3200)
Marc Heuse (mh b...
23.09.2009

Type:

CWE-310

 (Cryptographic Issues)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
None
None
Affected software
QNAP -> Ts-239 pro turbo nas 
QNAP -> Ts-639 pro turbo nas 

 References:
http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt
http://www.securityfocus.com/archive/1/506607/100/0/threaded
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