CVE-2017-13217 Memory corruption in Android

High 7.8 Published Updated

An out-of-bounds write in the Android bootloader allows local attackers to bypass secure boot and execute code with elevated privileges.

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-2017-13217?

CVE-2017-13217 is a high-severity memory corruption vulnerability in Google Android, published on 12 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In DisplayFtmItem in the bootloader, there is an out-of-bounds write due to reading a string without verifying that it's null-terminated. This could lead to a secure boot bypass and a local elevation of privilege enabling code execution as a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-68269077.

Weakness: CWE-787

Which versions are affected by CVE-2017-13217?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2017-13217?

No fix has been published for CVE-2017-13217 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-2017-13217 being exploited?

There is no known exploitation of CVE-2017-13217 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-q5m6-fp6x-qv43.

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