CVE-2022-46378 Denial of service in uC-FTPs
An attacker can cause a denial of service in Weston Embedded uC-FTPs by sending specially crafted network packets to the PORT command.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-46378?
CVE-2022-46378 is a medium-severity denial of service vulnerability in Weston Embedded uC-FTPs, published on 10 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00. A specially-crafted set of network packets can lead to denial of service. An attacker can send packets to trigger this vulnerability.This vulnerability occurs when no port argument is provided to the `PORT` command.
Which versions are affected by CVE-2022-46378?
It affects 1 product.
Products include Weston-Embedded Uc-Ftps.
How do I fix CVE-2022-46378?
No fix has been published for CVE-2022-46378 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-2022-46378 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-46378 exists.
Other vulnerabilities in Weston Embedded uC-FTPs
Sources
Also known as GHSA-m264-rxp9-qm6v.