CVE-2022-4104 Denial of service in Dropbox Lepton
An attacker can cause a denial of service in the Lepton image compression tool by providing a crafted JPEG file that triggers an infinite loop.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-4104?
CVE-2022-4104 is a medium-severity denial of service vulnerability in Dropbox Lepton, published on 28 Nov 2022. 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
A loop with an unreachable exit condition can be triggered by passing a crafted JPEG file to the Lepton image compression tool, resulting in a denial-of-service.
Weakness: CWE-835
Which versions are affected by CVE-2022-4104?
It affects 1 product.
Products include Lepton Project Lepton.
How do I fix CVE-2022-4104?
No fix has been published for CVE-2022-4104 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-4104 being exploited?
There is no known exploitation of CVE-2022-4104 in the wild and no public exploit code.
Other vulnerabilities in Dropbox Lepton
Sources
Also known as GHSA-vrgf-3rc5-r59f, UBUNTU-CVE-2022-4104.