CVE-2021-1970 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

High 7.5 Published 13 Jul 2021 Updated 3 Aug 2024

Out-of-bounds read in Qualcomm Snapdragon firmware allows attackers to cause denial of service or disclose sensitive information.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2021-1970?

CVE-2021-1970 is a high-severity memory corruption vulnerability in Qualcomm Apq8053 Firmware, published on 13 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Possible out of bound read due to lack of length check of FT sub-elements in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

Weakness: CWE-20, CWE-125

Which versions are affected by CVE-2021-1970?

It affects 118 products.

Products include Qualcomm Apq8053 Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware and 112 more.

How do I fix CVE-2021-1970?

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-2021-1970 being exploited?

There is no known exploitation of CVE-2021-1970 in the wild and no public exploit code.

All Qualcomm Apq8053 Firmware vulnerabilities

Sources

Also known as 2857084, A-184561587, ASB-A-184561587, GHSA-gfj8-28hv-4g67.