CVE-2020-11203 Memory corruption in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

High 7.1 Published 22 Feb 2021 Updated 4 Aug 2024

A stack overflow in Qualcomm Snapdragon firmware allows attackers to cause denial of service or execute arbitrary code via malformed broadcast config sizes.

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-2020-11203?

CVE-2020-11203 is a high-severity memory corruption vulnerability in Qualcomm Apq8009w Firmware, published on 22 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Stack overflow may occur if GSM/WCDMA broadcast config size received from user is larger than variable length array in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Weakness: CWE-787

Which versions are affected by CVE-2020-11203?

It affects 143 products.

Products include Qualcomm Apq8009w Firmware, Qualcomm Apq8064au Firmware, Qualcomm Apq8096au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Msm8909w Firmware, Qualcomm Msm8996au Firmware and 137 more.

How do I fix CVE-2020-11203?

No fix has been published for CVE-2020-11203 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-2020-11203 being exploited?

There is no known exploitation of CVE-2020-11203 in the wild and no public exploit code.

All Qualcomm Apq8009w Firmware vulnerabilities

Sources

Also known as GHSA-58p5-78hg-833m.