CVE-2017-16786 Path traversal in n/a

Medium 6.5 Published Updated

Authenticated attackers can read arbitrary files on Meinberg LANTIME devices via path traversal in the web configuration utility.

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-2017-16786?

CVE-2017-16786 is a medium-severity path traversal vulnerability in n/a, published on 19 Dec 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Web Configuration Utility in Meinberg LANTIME devices with firmware before 6.24.004 allows remote authenticated users with certain privileges to read arbitrary files via (1) the ntpclientcounterlogfile parameter to cgi-bin/mainv2 or (2) vectors involving curl support of the "file" schema in the firmware update functionality.

Weakness: CWE-200

Which versions are affected by CVE-2017-16786?

It affects 1 product.

Products include Meinbergglobal Lantime Firmware.

How do I fix CVE-2017-16786?

No fix has been published for CVE-2017-16786 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-2017-16786 being exploited?

There is no known exploitation of CVE-2017-16786 in the wild and no public exploit code.

Sources

Also known as GHSA-9398-3g6h-4hv8.

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