CVE-2021-1899 Memory corruption in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Medium 4.6 Published 13 Jul 2021 Updated 3 Aug 2024

A buffer over-read in Qualcomm Snapdragon firmware allows attackers to potentially execute code or cause denial of service via crafted meta images.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2021-1899?

CVE-2021-1899 is a medium-severity memory corruption vulnerability in Qualcomm Apq8009w Firmware, published on 13 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible buffer over read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Weakness: CWE-125

Which versions are affected by CVE-2021-1899?

It affects 41 products.

Products include Qualcomm Apq8009w Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Msm8909w Firmware, Qualcomm Qca4020 Firmware, Qualcomm Qca6174a Firmware, Qualcomm Qca6420 Firmware and 35 more.

How do I fix CVE-2021-1899?

Apply the vendor's patch.

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

Is CVE-2021-1899 being exploited?

There is no known exploitation of CVE-2021-1899 in the wild and no public exploit code.

All Qualcomm Apq8009w Firmware vulnerabilities

Sources

Also known as 2776412, A-176750676, GHSA-cm5j-mgw2-2jwr, PUB-A-176750676.