Vulnerability identifier: #VU13396

Vulnerability risk: Low

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0712

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QNAP QTS
Server applications / File servers (FTP/HTTP)

Vendor: QNAP Systems, Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to a command inject flaw in the LDAP Server. A remote unauthenticated attacker can send specially crafted data to inject and execute arbitrary commands with elevated privileges.

Mitigation
The vulnerability is addressed in the versions 4.2.6 build 20180504, 4.3.3 build 20180504, 4.3.4 build 20180501.

Vulnerable software versions

QNAP QTS: 4.2.6 20170517 - 4.2.6 20171208, 4.3.3 - 4.3.4.0486 20180215

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External links
http://www.qnap.com/en/security-advisory/nas-201806-19

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.