CVE-2017-12090 Denial of service in Allen Bradley

High 7.7 Published 5 Apr 2018 Updated 16 Sep 2024

A remote attacker can cause a power cycle and downtime on Allen Bradley Micrologix 1400 devices by sending a specially crafted SNMP set request.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-12090?

CVE-2017-12090 is a high-severity denial of service vulnerability in Talos Allen Bradley, published on 5 Apr 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An exploitable denial of service vulnerability exists in the processing of snmp-set commands of the Allen Bradley Micrologix 1400 Series B FRN 21.2 and below. A specially crafted snmp-set request, when sent without associated firmware flashing snmp-set commands, can cause a device power cycle resulting in downtime for the device. An attacker can send one packet to trigger this vulnerability.

Weakness: CWE-400

Which versions are affected by CVE-2017-12090?

It affects 1 product.

Products include Rockwellautomation Micrologix 1400 B Firmware.

How do I fix CVE-2017-12090?

No fix has been published for CVE-2017-12090 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-12090 being exploited?

There is no known exploitation of CVE-2017-12090 in the wild and no public exploit code.

Sources

Also known as GHSA-qjvr-cgcx-rp8g.