CVE-2009-3278

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.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:C/I:N/A:N

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
http://secunia.com/advisories/36793	Broken Link
http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt	Exploit
http://www.securityfocus.com/archive/1/506607/100/0/threaded	Broken Link Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/36467	Broken Link Third Party Advisory VDB Entry
http://secunia.com/advisories/36793	Broken Link
http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt	Exploit
http://www.securityfocus.com/archive/1/506607/100/0/threaded	Broken Link Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/36467	Broken Link Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:qnap:ts-239_pro_firmware:2.1.7:build0613::::::
	cpe:2.3:o:qnap:ts-239_pro_firmware:3.1.0:build0627::::::
	cpe:2.3:o:qnap:ts-239_pro_firmware:3.1.1:build0815::::::

cpe:2.3:h:qnap:ts-239_pro:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

OR	cpe:2.3:o:qnap:ts-639_pro_firmware:2.1.7:build0613::::::
	cpe:2.3:o:qnap:ts-639_pro_firmware:3.1.0:build0627::::::
	cpe:2.3:o:qnap:ts-639_pro_firmware:3.1.1:build0815::::::

cpe:2.3:h:qnap:ts-639_pro:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2009-09-21 19:30

Updated : 2025-04-09 00:30

NVD link : CVE-2009-3278

Mitre link : CVE-2009-3278

CVE.ORG link : CVE-2009-3278

JSON object : View

Products Affected

qnap

ts-239_pro
ts-639_pro_firmware
ts-639_pro
ts-239_pro_firmware

CWE

CWE-338

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

{"id": "CVE-2009-3278", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2009-09-21T19:30:00.610", "references": [{"url": "http://secunia.com/advisories/36793", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt", "tags": ["Exploit"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/archive/1/506607/100/0/threaded", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/36467", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/36793", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt", "tags": ["Exploit"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/archive/1/506607/100/0/threaded", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/36467", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-338"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "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 funci\u00f3n \"rand\" de la biblioteca para generar ciertos tipos de claves de recuperaci\u00f3n, lo que facilita a usuarios locales adivinar esa clave a trav\u00e9s de un ataque de fuerza bruta."}], "lastModified": "2025-04-09T00:30:58.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:qnap:ts-239_pro_firmware:2.1.7:build0613:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6F5C7FE8-D003-4640-9F64-0B2160236F8B"}, {"criteria": "cpe:2.3:o:qnap:ts-239_pro_firmware:3.1.0:build0627:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CA882F2B-0BEE-4233-AA06-AA926FF178F7"}, {"criteria": "cpe:2.3:o:qnap:ts-239_pro_firmware:3.1.1:build0815:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "95C06ACE-A307-485E-A929-C6125F817F73"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:qnap:ts-239_pro:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F035666A-5CFC-43A2-AD57-20A3F0C5E747"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:qnap:ts-639_pro_firmware:2.1.7:build0613:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C7CFDE40-352B-472F-8448-49CA3CA850FA"}, {"criteria": "cpe:2.3:o:qnap:ts-639_pro_firmware:3.1.0:build0627:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "73D2A5A6-85A0-4DC9-9DFE-AD36D4F85893"}, {"criteria": "cpe:2.3:o:qnap:ts-639_pro_firmware:3.1.1:build0815:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5F574D92-A200-4883-9D79-BB035B857C63"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:qnap:ts-639_pro:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CB1E8394-AE01-4838-8348-7E118350C21F"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}