CVE-2018-3892 Memory corruption in Yi Technology

Critical 9.6 Published 2 Nov 2018 Updated 5 Aug 2024

A buffer overflow in the time syncing functionality allows remote code execution via crafted network packets on Yi Home Cameras.

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

What is CVE-2018-3892?

CVE-2018-3892 is a critical memory corruption vulnerability in unknown Yi Technology, published on 2 Nov 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted packet can cause a buffer overflow, resulting in code execution. An attacker can intercept and alter network traffic to trigger this vulnerability.

Weakness: CWE-120

Which versions are affected by CVE-2018-3892?

It affects 1 product.

Products include Yitechnology Yi Home Camera Firmware.

How do I fix CVE-2018-3892?

No fix has been published for CVE-2018-3892 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-3892 being exploited?

There is no known exploitation of CVE-2018-3892 in the wild and no public exploit code.

Sources

Also known as GHSA-fwpr-995q-w5qh.