CVE-2018-18315 File upload in n/a

High 7.5 Published 15 Oct 2018 Updated 5 Aug 2024

Attackers can upload arbitrary files to the Lemon web application due to insufficient validation in the CDN controller, potentially leading to remote code execution.

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-2018-18315?

CVE-2018-18315 is a high-severity vulnerability in n/a, published on 15 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

com/mossle/cdn/CdnController.java in lemon 1.9.0 allows attackers to upload arbitrary files because the copyMultipartFileToFile method in CdnUtils only checks for a ../ substring, and does not validate the file type and spaceName parameter.

Weakness: CWE-434

Which versions are affected by CVE-2018-18315?

It affects 1 product.

Products include Mossle Lemon.

How do I fix CVE-2018-18315?

No fix has been published for CVE-2018-18315 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-18315 being exploited?

There is no known exploitation of CVE-2018-18315 in the wild and no public exploit code.

Sources

Also known as GHSA-h9qg-xrp6-7fc4.