TerraMaster TOS up to 3.0.33 GetTest.php command injection

Summaryinfo

A vulnerability was found in TerraMaster TOS up to 3.0.33. It has been rated as critical. Affected is an unknown function of the file /usr/www/include/ajax/GetTest.php. Performing a manipulation results in command injection. This vulnerability was named CVE-2017-9328. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in TerraMaster TOS up to 3.0.33 (Network Attached Storage Software). This affects an unknown function of the file /usr/www/include/ajax/GetTest.php. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Shell metacharacter injection vulnerability in /usr/www/include/ajax/GetTest.php in TerraMaster TOS before 3.0.34 leads to remote code execution as root.

The bug was discovered 05/31/2017. The weakness was presented 09/15/2017 (Website). It is possible to read the advisory at gist.github.com. This vulnerability is uniquely identified as CVE-2017-9328 since 05/31/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 107 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:usr/www/include/ajax/GetTest.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.0.34 eliminates this vulnerability.

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Productinfo

Type

• Network Attached Storage Software

Name

• TerraMaster TOS

Version

• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.0.8
• 3.0.9
• 3.0.10
• 3.0.11
• 3.0.12
• 3.0.13
• 3.0.14
• 3.0.15
• 3.0.16
• 3.0.17
• 3.0.18
• 3.0.19
• 3.0.20
• 3.0.21
• 3.0.22
• 3.0.23
• 3.0.24
• 3.0.25
• 3.0.26
• 3.0.27
• 3.0.28
• 3.0.29
• 3.0.30
• 3.0.31
• 3.0.32
• 3.0.33

License

• commercial

CPE 2.3info

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CPE 2.2info

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Entryinfo

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