CVE-2020-3640 Integer overflow in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

High 7.8 Published 8 Sep 2020 Updated 4 Aug 2024

An integer overflow in the usage table header resizing allows a local adversary to corrupt memory and potentially execute code or escalate privileges.

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-2020-3640?

CVE-2020-3640 is a high-severity vulnerability in Qualcomm Kamorta Firmware, published on 8 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

u'Resizing the usage table header before passing all the checks leads to the function exiting with a usage table in invalid state when a HLOS adversary calls the function with wrong input' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking in Bitra, Kamorta, QCS404, QCS610, Rennell, Saipan, SC7180, SDX55, SM6150, SM7150, SM8250, SXR2130

Weakness: CWE-131

Which versions are affected by CVE-2020-3640?

It affects 12 products.

Products include Qualcomm Bitra Firmware, Qualcomm Kamorta Firmware, Qualcomm Qcs404 Firmware, Qualcomm Qcs610 Firmware, Qualcomm Rennell Firmware, Qualcomm Saipan Firmware and 6 more.

How do I fix CVE-2020-3640?

No fix has been published for CVE-2020-3640 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3640 being exploited?

There is no known exploitation of CVE-2020-3640 in the wild and no public exploit code.

All Qualcomm Kamorta Firmware vulnerabilities

Sources

Also known as GHSA-hcrp-2jqr-cf9w.