Vulnerability identifier: #VU25662

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-9098

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moxa MGate MB3170 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa MGate MB3270 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa MGate MB3180 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa MGate MB3280 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa MGate MB3480 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa MGate MB3660 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Moxa

Description

The vulnerability allows a remote attacker to cause a buffer overflow.

The vulnerability exists due to integer overflow. A remote attacker can trigger integer overflow that causes less memory to be allocated than expected, leading to a buffer overflow

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moxa MGate MB3170 Series: 1.0 - 4.0

Moxa MGate MB3270 Series: 1.0 - 4.0

Moxa MGate MB3180 Series: 1.0 - 2.0

Moxa MGate MB3280 Series: 1.0 - 3.0

Moxa MGate MB3480 Series: 1.0 - 3.0

Moxa MGate MB3660 Series: 1.0 - 2.2

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External links
http://ics-cert.us-cert.gov/advisories/icsa-20-056-01
http://www.moxa.com/en/support/support/security-advisory/mb3710-3180-3270-3280-3480-3660-vulnerabilities

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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.