CVE-2018-3928 Denial of service in Yi Technology

High 7.5 Published 1 Nov 2018 Updated 16 Sep 2024

An attacker can cause a denial of service on Yi Home Cameras by sending specially crafted UDP packets to the firmware update functionality.

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-2018-3928?

CVE-2018-3928 is a high-severity denial of service vulnerability in Yi Technology, published on 1 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An exploitable code execution vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted set of UDP packets can cause a settings change, resulting in denial of service. An attacker can send a set of packets to trigger this vulnerability.

Weakness: CWE-200

Which versions are affected by CVE-2018-3928?

It affects 1 product.

Products include Yitechnology Yi Home Camera Firmware.

How do I fix CVE-2018-3928?

No fix has been published for CVE-2018-3928 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-2018-3928 being exploited?

There is no known exploitation of CVE-2018-3928 in the wild and no public exploit code.

Sources

Also known as GHSA-6wgc-v7v8-fh58.