CVE-2021-1984 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables

High 8.4 Published 20 Oct 2021 Updated 3 Aug 2024

A buffer overflow in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via improper index 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-2021-1984?

CVE-2021-1984 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 buffer overflow due to improper validation of index value while processing the plugin block in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables

Weakness: CWE-120

Which versions are affected by CVE-2021-1984?

It affects 95 products.

Products include Qualcomm Apq8017 Firmware, Qualcomm Apq8053 Firmware, Qualcomm Apq8064au Firmware, Qualcomm Apq8096au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Msm8917 Firmware and 89 more.

How do I fix CVE-2021-1984?

No fix has been published for CVE-2021-1984 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-2021-1984 being exploited?

There is no known exploitation of CVE-2021-1984 in the wild and no public exploit code.

All Qualcomm Apq8017 Firmware vulnerabilities

Sources

Also known as GHSA-jmj4-3mjm-f28c.