CVE-2020-3686 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Critical 9.8 Published Updated

A buffer overflow in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or cause denial of service via malicious music files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-3686?

CVE-2020-3686 is a critical memory corruption vulnerability in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking, published on 21 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Possible memory out of bound issue during music playback when an incorrect bit stream content is copied into array without checking the length of array in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-120

Which versions are affected by CVE-2020-3686?

It affects 492 products.

Products include Qualcomm Apq8009, Qualcomm Apq8009w, Qualcomm Apq8017, Qualcomm Apq8030, Qualcomm Apq8037, Qualcomm Apq8052 and 486 more.

How do I fix CVE-2020-3686?

No fix has been published for CVE-2020-3686 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-2020-3686 being exploited?

There is no known exploitation of CVE-2020-3686 in the wild and no public exploit code.

Sources

Also known as GHSA-6jjv-2pg7-g28g.

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