#VU9377 Resource exhaustion in Moxa products - CVE-2017-14028

Vulnerability identifier: #VU9377

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-14028

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
NPort 5110
Hardware solutions / Firmware
NPort 5130
Hardware solutions / Firmware
NPort 5150
Hardware solutions / Firmware

Vendor: Moxa

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to memory resources exhaustion.A remote attacker can send a large amount of TCP SYN packets and disrupt the availability of the device.

Mitigation
Install update from vendor's website.

Vulnerable software versions

NPort 5110: 3.7

NPort 5130: 3.7

NPort 5150: 2.2 - 2.7

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External links
https://ics-cert.us-cert.gov/advisories/ICSA-17-320-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.