CVE-2021-1962 Memory corruption in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Medium 6.7 Published 9 Sep 2021 Updated 3 Aug 2024

A buffer overflow in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via malicious IOCTL requests.

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

What is CVE-2021-1962?

CVE-2021-1962 is a medium-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 9 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer Overflow while processing IOCTL for getting peripheral endpoint information there is no proper validation for input maximum endpoint pair and its size in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-120

Which versions are affected by CVE-2021-1962?

It affects 84 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Fsm10055 Firmware, Qualcomm Fsm10056 Firmware, Qualcomm Ipq8064 Firmware, Qualcomm Ipq8065 Firmware and 78 more.

How do I fix CVE-2021-1962?

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-2021-1962 being exploited?

There is no known exploitation of CVE-2021-1962 in the wild and no public exploit code.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as 2822021, A-181677125, GHSA-hhcx-g8h7-2m9h, PUB-A-181677125.