CVE-2018-5842 Memory corruption in Android for MSM, Firefox OS for MSM, QRD Android

High 7.8 Published Updated

A compromised WLAN firmware can trigger an arbitrary address write in the Linux kernel, potentially allowing code execution or privilege escalation on Android 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-2018-5842?

CVE-2018-5842 is a high-severity memory corruption vulnerability in Google Android, published on 12 Jun 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An arbitrary address write can occur if a compromised WLAN firmware sends incorrect data to WLAN driver in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel.

Weakness: CWE-119

Which versions are affected by CVE-2018-5842?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-5842?

No fix has been published for CVE-2018-5842 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-2018-5842 being exploited?

There is no known exploitation of CVE-2018-5842 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-f9h5-m4j3-4fh2.

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