CVE-2020-11807 File upload in n/a

High 7.8 Published 19 May 2020 Updated 4 Aug 2024

Authenticated users can upload malicious files to execute arbitrary code on the server via the avatar update feature.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-11807?

CVE-2020-11807 is a high-severity vulnerability in n/a, published on 19 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Because of Unrestricted Upload of a File with a Dangerous Type, Sourcefabric Newscoop 4.4.7 allows an authenticated user to execute arbitrary PHP code (and sometimes terminal commands) on a server by making an avatar update and then visiting the avatar file under the /images/ path.

Weakness: CWE-434

Which versions are affected by CVE-2020-11807?

It affects 1 product.

Products include Sourcefabric Newscoop.

How do I fix CVE-2020-11807?

No fix has been published for CVE-2020-11807 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-11807 being exploited?

There is no known exploitation of CVE-2020-11807 in the wild and no public exploit code.

Sources

Also known as GHSA-5gw3-gj8j-f364.