CVE-2020-3636 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

High 7.8 Published 8 Sep 2020 Updated 4 Aug 2024

Out-of-bounds write in Snapdragon firmware allows attackers to execute arbitrary 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-2020-3636?

CVE-2020-3636 is a high-severity memory corruption 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'Out of bound writes happen when accessing usage_table header entry beyond the memory allocated for the header' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking in Kamorta, QCS404, QCS610, Rennell, SC7180, SDX55, SM6150, SM7150, SM8250, SXR2130

Which versions are affected by CVE-2020-3636?

It affects 10 products.

Products include Qualcomm Kamorta Firmware, Qualcomm Qcs404 Firmware, Qualcomm Qcs610 Firmware, Qualcomm Rennell Firmware, Qualcomm Sc7180 Firmware, Qualcomm Sdx55 Firmware and 4 more.

How do I fix CVE-2020-3636?

No fix has been published for CVE-2020-3636 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-2020-3636 being exploited?

There is no known exploitation of CVE-2020-3636 in the wild and no public exploit code.

All Qualcomm Kamorta Firmware vulnerabilities

Sources

Also known as GHSA-r23m-244x-c4vq.