What is the severity of CVE-2017-17027?

CVE-2017-17027 has a high severity due to the potential for remote code execution on affected QNAP NAS devices.

How do I fix CVE-2017-17027?

To fix CVE-2017-17027, update your QNAP QTS to the latest version that addresses this vulnerability.

Which QNAP QTS versions are affected by CVE-2017-17027?

CVE-2017-17027 affects QNAP QTS versions 4.2.6 build 20171026, 4.3.3.0378 build 20171117, and earlier.

Can CVE-2017-17027 lead to data loss?

Yes, CVE-2017-17027 could potentially lead to data loss since it allows attackers to execute arbitrary code on the device.

Is there a workaround for CVE-2017-17027?

A temporary workaround for CVE-2017-17027 is to disable the FTP service on affected QNAP NAS devices until a patch is applied.

Vulnerability/
CVE-2017-17027

critical

9.8

CWE

119

21/12/2017

16/9/2024

CVE-2017-17027: Buffer Overflow

First published: Thu Dec 21 2017(Updated: )

A buffer overflow vulnerability in FTP service in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could allow remote attackers to execute arbitrary code on NAS devices.

Credit: security@qnapsecurity.com.tw

Affected Software	Affected Version	How to fix
QNAP QTS	<=4.3.3.0378
QNAP QTS	=4.3.4.0358-beta1
QNAP QTS	=4.3.4.0370-beta1
QNAP QTS	=4.3.4.0372-beta1
QNAP QTS	=4.3.4.0374-beta1
QNAP QTS	=4.3.4.0387-beta2

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2017-17027?
CVE-2017-17027 has a high severity due to the potential for remote code execution on affected QNAP NAS devices.
How do I fix CVE-2017-17027?
To fix CVE-2017-17027, update your QNAP QTS to the latest version that addresses this vulnerability.
Which QNAP QTS versions are affected by CVE-2017-17027?
CVE-2017-17027 affects QNAP QTS versions 4.2.6 build 20171026, 4.3.3.0378 build 20171117, and earlier.
Can CVE-2017-17027 lead to data loss?
Yes, CVE-2017-17027 could potentially lead to data loss since it allows attackers to execute arbitrary code on the device.
Is there a workaround for CVE-2017-17027?
A temporary workaround for CVE-2017-17027 is to disable the FTP service on affected QNAP NAS devices until a patch is applied.

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vendor/qnap
canonical/qnap qts
version/qnap qts/4.3.3.0378
version/qnap qts/4.3.4.0358-beta1
version/qnap qts/4.3.4.0370-beta1
version/qnap qts/4.3.4.0372-beta1
version/qnap qts/4.3.4.0374-beta1
version/qnap qts/4.3.4.0387-beta2

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