A vulnerability was found in MobaXterm 11.1/12.1 (Windowing System Software). It has been classified as critical. Affected is an unknown function of the component Protocol Handler. The manipulation with the input value MobaXterm://`calc` leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In MobaXterm 11.1 and 12.1, the protocol handler is vulnerable to command injection. A crafted link can trigger a popup asking whether the user wants to run MobaXterm to handle the link. If accepted, another popup appears asking for further confirmation. If this is also accepted, command execution is achieved, as demonstrated by the MobaXterm://`calc` URI.

The weakness was disclosed 09/14/2019. This vulnerability is traded as CVE-2019-16305 since 09/14/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1055.

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

The entries VDB-160733, VDB-164910, VDB-179983 and VDB-187863 are pretty similar.

Productinfo

Type

• Windowing System Software

Name

• MobaXterm

Version

• 11.1
• 12.1

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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