CVE-2020-3642 Use after free in Snapdragon Consumer IOT, Snapdragon Mobile

High 7.8 Published 22 Jun 2020 Updated 4 Aug 2024

A use-after-free vulnerability in Qualcomm Snapdragon camera applications allows attackers to execute arbitrary code or escalate privileges via random operations.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-3642?

CVE-2020-3642 is a high-severity use after free vulnerability in Qualcomm Kamorta Firmware, published on 22 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use after free issue in camera applications when used randomly over multiple operations due to pointer not set to NULL after free/destroy of the object in Snapdragon Consumer IOT, Snapdragon Mobile in Kamorta, QCS605, Rennell, Saipan, SDM670, SDM710, SDM845, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

Weakness: CWE-416

Which versions are affected by CVE-2020-3642?

It affects 13 products.

Products include Qualcomm Kamorta Firmware, Qualcomm Qcs605 Firmware, Qualcomm Rennell Firmware, Qualcomm Saipan Firmware, Qualcomm Sdm670 Firmware, Qualcomm Sdm710 Firmware and 7 more.

How do I fix CVE-2020-3642?

No fix has been published for CVE-2020-3642 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2020-3642 being exploited?

There is no known exploitation of CVE-2020-3642 in the wild and no public exploit code.

All Qualcomm Kamorta Firmware vulnerabilities

Sources

Also known as GHSA-x9c8-544m-whx3.