SB2017112105 - Multiple vulnerabilities in Moxa NPort

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Denial of service (CVE-ID: CVE-2017-16719)

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

The weakness exists due to improper neutralization of special elements in output used by a downstream component. A remote attacker can inject specially crafted packets that and disrupt the availability of the device.

Successful exploitation of the vulnerability results in denial of service.

2) Information disclosure (CVE-ID: CVE-2017-16715)

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to a flaw in the handling of Ethernet frame padding. A remote attacker can disclose arbitrary data.

3) Resource exhaustion (CVE-ID: CVE-2017-14028)

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.

Remediation

Install update from vendor's website.

References

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