QNAP QTS up to 4.2.6/4.3.3/4.3.4/4.3.5 improper authorization

Summaryinfo

A vulnerability was found in QNAP QTS up to 4.2.6/4.3.3/4.3.4/4.3.5. It has been declared as critical. The impacted element is an unknown function. The manipulation results in improper authorization. This vulnerability is identified as CVE-2018-14748. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in QNAP QTS up to 4.2.6/4.3.3/4.3.4/4.3.5 (Network Attached Storage Software). It has been classified as critical. Affected is some unknown processing. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper Authorization vulnerability in QTS 4.3.5 build 20181013, QTS 4.3.4 build 20181008, QTS 4.3.3 build 20180829, QTS 4.2.6 build 20180829 and earlier versions could allow remote attackers to power off the NAS.

The bug was discovered 11/22/2018. The weakness was released 11/28/2018 (Website). The advisory is available at qnap.com. This vulnerability is traded as CVE-2018-14748 since 07/30/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13384 (QNAP QTS Multiple Vulnerabilties (NAS-201811-22)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-127264, VDB-127265 and VDB-127267. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Network Attached Storage Software

Vendor

• QNAP

Name

• QTS

Version

• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3
• 4.3.4
• 4.3.5

License

• commercial

Website

• Vendor: https://www.qnap.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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