CVE-2018-3899 Memory corruption in Yi Technology

High 8.3 Published 2 Nov 2018 Updated 5 Aug 2024

A buffer overflow in the QR code scanning feature allows remote attackers to execute arbitrary code on Yi Home Cameras.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-3899?

CVE-2018-3899 is a high-severity memory corruption vulnerability in unknown Yi Technology, published on 2 Nov 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code execution. The trans_info call can overwrite a buffer of size 0x104, which is more than enough to overflow the return address from the password_dst field

Weakness: CWE-120

Which versions are affected by CVE-2018-3899?

It affects 1 product.

Products include Yitechnology Yi Home Camera Firmware.

How do I fix CVE-2018-3899?

No fix has been published for CVE-2018-3899 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-2018-3899 being exploited?

There is no known exploitation of CVE-2018-3899 in the wild and no public exploit code.

Sources

Also known as GHSA-vf4h-fgx2-j38f.