CVE-2017-6543 Path traversal in n/a

High 7.3 Published Updated

Remote authenticated attackers can upload files to arbitrary locations on Windows systems, leading to privilege escalation and potential code execution.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2017-6543?

CVE-2017-6543 is a high-severity path traversal vulnerability in Tenable Nessus, published on 8 Mar 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Tenable Nessus before 6.10.2 (as used alone or in Tenable Appliance before 4.5.0) was found to contain a flaw that allowed a remote, authenticated attacker to upload a crafted file that could be written to anywhere on the system. This could be used to subsequently gain elevated privileges on the system (e.g., after a reboot). This issue only affects installations on Windows.

Which versions are affected by CVE-2017-6543?

It affects 2 products.

Products include Tenable Appliance, Tenable Nessus.

How do I fix CVE-2017-6543?

No fix has been published for CVE-2017-6543 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-2017-6543 being exploited?

There is no known exploitation of CVE-2017-6543 in the wild and no public exploit code.

All Tenable Nessus vulnerabilities

Sources

Also known as GHSA-qprc-f7qc-63gc.

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