ASUSTOR Data Master up to 3.1.5 Web Server path traversal

Summaryinfo

A vulnerability was found in ASUSTOR Data Master up to 3.1.5 and classified as critical. This affects an unknown function of the component Web Server. Executing a manipulation can lead to path traversal. The identification of this vulnerability is CVE-2018-15694. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in ASUSTOR Data Master up to 3.1.5. This vulnerability affects an unknown code of the component Web Server. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

ASUSTOR Data Master 3.1.5 and below allows authenticated remote non-administrative users to upload files to arbitrary locations due to a path traversal vulnerability. This could lead to code execution if the "Web Server" feature is enabled.

The bug was discovered 06/24/2018. The weakness was shared 08/27/2018 (Website). The advisory is available at tenable.com. This vulnerability was named CVE-2018-15694 since 08/22/2018. The attack can be initiated remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 52 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 112115 (ASUSTOR Data Master < 3.1.6 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13272 (ASUSTOR Data Master AS-202T Multiple Vulnerabilitites (tra-2018-22)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (112115). The entries VDB-123275, VDB-123276, VDB-123277 and VDB-123278 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• ASUSTOR

Name

• Data Master

Version

• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5

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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