QNAP NAS Application Media Streaming Add-On up to 421.1.0.2/430.1.2.0 os command injection

Summaryinfo

A vulnerability described as critical has been identified in QNAP NAS Application Media Streaming Add-On up to 421.1.0.2/430.1.2.0. Impacted is an unknown function. Executing a manipulation can lead to os command injection. This vulnerability is handled as CVE-2017-7640. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in QNAP NAS Application Media Streaming Add-On up to 421.1.0.2/430.1.2.0 (Network Attached Storage Software) and classified as very critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

QNAP NAS application Media Streaming add-on version 421.1.0.2, 430.1.2.0, and earlier allows remote attackers to run arbitrary OS commands against the system with root privileges.

The bug was discovered 03/08/2018. The weakness was released 03/08/2018 (Website). The advisory is shared for download at qnap.com. This vulnerability was named CVE-2017-7640 since 04/10/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/11/2020). The MITRE ATT&CK project declares the attack technique as T1202.

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-114194, VDB-114195 and VDB-114197. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Network Attached Storage Software

Vendor

• QNAP

Name

• NAS Application Media Streaming Add-On

Version

• 421.1.0.0
• 421.1.0.1
• 421.1.0.2
• 430.1.0
• 430.1.1
• 430.1.2.0

License

• commercial

Website

• Vendor: https://www.qnap.com/

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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