Vulnerability Details : CVE-2009-3200
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 an undocumented recovery key and store it in the ENCK variable in flash memory, which allows local users to bypass the passphrase requirement and decrypt the hard drive by reading this variable, deobfuscating the key, and running a cryptsetup luksOpen command.
Exploit prediction scoring system (EPSS) score for CVE-2009-3200
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2009-3200
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:P/A:P |
3.4
|
8.5
|
NIST |
CWE ids for CVE-2009-3200
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Assigned by: nvd@nist.gov (Primary)
References for CVE-2009-3200
- http://www.securityfocus.com/archive/1/506607/100/0/threaded
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https://exchange.xforce.ibmcloud.com/vulnerabilities/53391
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http://www.securitytracker.com/id?1022916
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http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt
Exploit
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http://forum.qnap.com/viewtopic.php?f=11&t=11214&start=20#p63346
- http://www.securityfocus.com/bid/36467
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http://forum.qnap.com/viewtopic.php?f=12&t=12104&start=10#p63341
Products affected by CVE-2009-3200
- cpe:2.3:h:qnap:ts-239_pro_turbo_nas:2.1.7_0613:*:*:*:*:*:*:*
- cpe:2.3:h:qnap:ts-239_pro_turbo_nas:3.1.0_0627:*:*:*:*:*:*:*
- cpe:2.3:h:qnap:ts-239_pro_turbo_nas:3.1.1_0815:*:*:*:*:*:*:*
- cpe:2.3:h:qnap:ts-639_pro_turbo_nas:3.1.0_0627:*:*:*:*:*:*:*
- cpe:2.3:h:qnap:ts-639_pro_turbo_nas:3.1.1_0815:*:*:*:*:*:*:*
- cpe:2.3:h:qnap:ts-639_pro_turbo_nas:2.1.7_0613:*:*:*:*:*:*:*