CVE-2017-5143 Path traversal in Honeywell XL Web II Controller

High 8.6 Published Updated

Unauthenticated attackers can perform directory traversal to access arbitrary files on Honeywell XL Web II controllers.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-5143?

CVE-2017-5143 is a high-severity path traversal vulnerability in Honeywell XL Web II Controller, published on 13 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-1-02-08 and prior. A user without authenticating can make a directory traversal attack by accessing a specific URL.

Weakness: CWE-22

Which versions are affected by CVE-2017-5143?

It affects 1 product.

Products include Honeywell Xl Web Ii Controller.

How do I fix CVE-2017-5143?

No fix has been published for CVE-2017-5143 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2017-5143 being exploited?

There is no known exploitation of CVE-2017-5143 in the wild and no public exploit code.

Sources

Also known as GHSA-63gp-xmc5-8vfv.

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