CVE-2021-30336 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Wearables

High 8.4 Published 3 Jan 2022 Updated 3 Aug 2024

Out-of-bounds read in Snapdragon firmware allows attackers to cause denial of service or disclose information via malicious APK session requests.

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-2021-30336?

CVE-2021-30336 is a high-severity memory corruption vulnerability in Qualcomm Qca6390 Firmware, published on 3 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible out of bound read due to lack of domain input validation while processing APK close session request in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Wearables

Weakness: CWE-125

Which versions are affected by CVE-2021-30336?

It affects 72 products.

Products include Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca6574 Firmware, Qualcomm Qca6574a Firmware, Qualcomm Qca6574au Firmware, Qualcomm Qca6595au Firmware and 66 more.

How do I fix CVE-2021-30336?

No fix has been published for CVE-2021-30336 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-2021-30336 being exploited?

There is no known exploitation of CVE-2021-30336 in the wild and no public exploit code.

All Qualcomm Qca6390 Firmware vulnerabilities

Sources

Also known as GHSA-466g-x784-c529.