#VU23766 Resource exhaustion in Moxa products - CVE-2019-19707

Vulnerability identifier: #VU23766

Vulnerability risk: Medium

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:Green]

CVE-ID: CVE-2019-19707

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
EDS-G508E Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
EDS-G512E Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa EDS-G516E
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Moxa

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper resource management within the PROFINET DCE-RPC endpoint discovery packets. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

EDS-G508E Series: 6.0

EDS-G512E Series: 6.0

Moxa EDS-G516E: 6.0

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External links
https://www.moxa.com/en/support/support/security-advisory/eds-g508e-g512e-g516e-series-ethernet-switches-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.