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 use the rand library function to generate a certain recovery key, which makes it easier for local users to determine this key via a brute-force attack.
References
- http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt
- 36793 third-party-advisory
- 20090918 Advisory: Crypto backdoor in Qnap storage devices (CVE-2009-3200) mailing-list
- 36467 vdb-entry