CVE-2019-18249 Cross-site scripting in Reliable Controls MACH-ProWebCom/Sys

Medium 6.1 Published Updated

An authenticated user clicking a malicious link can trigger command execution on Reliable Controls MACH-ProWebCom/Sys devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2019-18249?

CVE-2019-18249 is a medium-severity cross-site scripting vulnerability in Reliable Controls MACH-ProWebCom/Sys, published on 24 Dec 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Reliable Controls MACH-ProWebCom/Sys, all versions prior to 2.15 (Firmware versions prior to 8.26.4), may allow attacker to execute commands on behalf of the user when an authenticated user clicks on a malicious link.

Weakness: CWE-79

Which versions are affected by CVE-2019-18249?

It affects 2 products.

Products include Reliablecontrols Mach-Prowebcom Firmware, Reliablecontrols Mach-Prowebsys Firmware.

How do I fix CVE-2019-18249?

No fix has been published for CVE-2019-18249 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-18249 being exploited?

There is no known exploitation of CVE-2019-18249 in the wild and no public exploit code.

Sources

Also known as GHSA-64wv-499m-5qm6.

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