CVE-2017-18056 Memory corruption in n/a

High 7.8 Published 15 Mar 2018 Updated 5 Aug 2024

Improper input validation in the Android MSM kernel allows an attacker to trigger an out-of-bounds memory read via firmware events.

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-2017-18056?

CVE-2017-18056 is a high-severity memory corruption vulnerability in Google Android, published on 15 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, improper input validation for vdev_id in wma_unified_bcntx_status_event_handler() which is received from firmware leads to potential out of bounds memory read.

Weakness: CWE-20, CWE-125

Which versions are affected by CVE-2017-18056?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2017-18056?

No fix has been published for CVE-2017-18056 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-2017-18056 being exploited?

There is no known exploitation of CVE-2017-18056 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-wcj6-jx9w-jgcc.