CVE-2021-30256 Memory corruption in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT

High 8.4 Published 20 Oct 2021 Updated 3 Aug 2024

A stack overflow in the VR Service allows attackers to execute arbitrary code or cause a denial of service via improper camera name validation.

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-2021-30256?

CVE-2021-30256 is a high-severity memory corruption vulnerability in Qualcomm Apq8017 Firmware, published on 20 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible stack overflow due to improper validation of camera name length before copying the name in VR Service in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT

Weakness: CWE-787

Which versions are affected by CVE-2021-30256?

It affects 77 products.

Products include Qualcomm Apq8017 Firmware, Qualcomm Apq8053 Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Msm8917 Firmware, Qualcomm Msm8953 Firmware, Qualcomm Qca6390 Firmware and 71 more.

How do I fix CVE-2021-30256?

No fix has been published for CVE-2021-30256 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-2021-30256 being exploited?

There is no known exploitation of CVE-2021-30256 in the wild and no public exploit code.

All Qualcomm Apq8017 Firmware vulnerabilities

Sources

Also known as GHSA-h924-73w7-wj2f.