CVE-2020-3647 Memory corruption in Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

High 7.8 Published 8 Sep 2020 Updated 4 Aug 2024

A buffer overflow in the NPU debugfs node allows attackers to execute arbitrary code or escalate privileges on affected Qualcomm Snapdragon devices.

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-2020-3647?

CVE-2020-3647 is a high-severity memory corruption vulnerability in Qualcomm Mdm9607 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'Potential buffer overflow when accessing npu debugfs node "off"/"log" with large buffer size' in Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in MDM9607, QCS405, SC8180X, SDX55, SM6150, SM7150, SM8150

Weakness: CWE-787

Which versions are affected by CVE-2020-3647?

It affects 7 products.

Products include Qualcomm Mdm9607 Firmware, Qualcomm Qcs405 Firmware, Qualcomm Sc8180x Firmware, Qualcomm Sdx55 Firmware, Qualcomm Sm6150 Firmware, Qualcomm Sm7150 Firmware and 1 more.

How do I fix CVE-2020-3647?

No fix has been published for CVE-2020-3647 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-2020-3647 being exploited?

There is no known exploitation of CVE-2020-3647 in the wild and no public exploit code.

All Qualcomm Mdm9607 Firmware vulnerabilities

Sources

Also known as GHSA-jrgp-f5cx-xhh6.