Moxa AWK-3131A 1.4/1.5/1.6/1.7 Services Username os command injection

Summaryinfo

A vulnerability labeled as critical has been found in Moxa AWK-3131A 1.4/1.5/1.6/1.7. The affected element is an unknown function of the component Services. Executing a manipulation of the argument Username can lead to os command injection. This vulnerability is handled as CVE-2017-14459. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Moxa AWK-3131A 1.4/1.5/1.6/1.7 (Router Operating System). This vulnerability affects an unknown part of the component Services. The manipulation of the argument username with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An exploitable OS Command Injection vulnerability exists in the Telnet, SSH, and console login functionality of Moxa AWK-3131A Industrial IEEE 802.11a/b/g/n wireless AP/bridge/client in firmware versions 1.4 to 1.7 (current). An attacker can inject commands via the username parameter of several services (SSH, Telnet, console), resulting in remote, unauthenticated, root-level operating system command execution.

The bug was discovered 04/03/2018. The weakness was released 04/11/2018 (Website). The advisory is shared for download at talosintelligence.com. This vulnerability was named CVE-2017-14459 since 09/13/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 8 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.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44398). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Router Operating System

Vendor

• Moxa

Name

• AWK-3131A

Version

• 1.4
• 1.5
• 1.6
• 1.7

License

• commercial

Website

• Vendor: https://www.moxa.com/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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