CVE-2017-2882 Path traversal in Circle

Critical 9.0 Published Updated

An attacker can overwrite sensitive files and execute code by impersonating a remote server during the update process.

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-2017-2882?

CVE-2017-2882 is a critical path traversal vulnerability in Circle, published on 7 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An exploitable vulnerability exists in the servers update functionality of Circle with Disney running firmware 2.0.1. Specially crafted network packets can cause the device to overwrite sensitive files, resulting in code execution. An attacker needs to impersonate a remote server in order to trigger this vulnerability.

Which versions are affected by CVE-2017-2882?

It affects 1 product.

Products include Meetcircle Circle With Disney Firmware.

How do I fix CVE-2017-2882?

No fix has been published for CVE-2017-2882 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-2017-2882 being exploited?

There is no known exploitation of CVE-2017-2882 in the wild and no public exploit code.

Sources

Also known as GHSA-wq48-5c3m-mr3m.

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