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CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 1

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. El QNAP TS-239 Pro y TS-639 Pro con firmware v2.1.7 0613, v3.1.0 0627, y v3.1.1 0815 emplea la función "rand" de la biblioteca para generar ciertos tipos de claves de recuperación, lo que facilita a usuarios locales adivinar esa clave a través de un ataque de fuerza bruta. • http://secunia.com/advisories/36793 http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt http://www.securityfocus.com/archive/1/506607/100/0/threaded http://www.securityfocus.com/bid/36467 • CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) •