Summaryinfo

A vulnerability was found in QNAP QTS 4.2.6 Build 20171208/4.3.3 Build 20180402/4.3.4 Build 20180413 and classified as critical. Affected by this issue is some unknown functionality of the component LDAP Server. The manipulation leads to command injection. This vulnerability is handled as CVE-2018-0712. The attack may be launched remotely. There is no exploit available. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability has been found in QNAP QTS 4.2.6 Build 20171208/4.3.3 Build 20180402/4.3.4 Build 20180413 (Network Attached Storage Software) and classified as critical. Affected by this vulnerability is an unknown functionality of the component LDAP Server. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Command injection vulnerability in LDAP Server in QNAP QTS 4.2.6 build 20171208, QTS 4.3.3 build 20180402, QTS 4.3.4 build 20180413 and their earlier versions could allow remote attackers to run arbitrary commands or install malware on the NAS.

The bug was discovered 06/19/2018. The weakness was published 06/21/2018 (Website). The advisory is shared at qnap.com. This vulnerability is known as CVE-2018-0712 since 11/28/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Network Attached Storage Software

Vendor

• QNAP

Name

• QTS

Version

• 4.2.6 Build 20171208
• 4.3.3 Build 20180402
• 4.3.4 Build 20180413

License

• commercial

CPE 2.3info

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CPE 2.2info

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