CVE-2019-20567 Memory corruption in n/a

Critical 9.8 Published 24 Mar 2020 Updated 5 Aug 2024

Heap overflow in Samsung mobile bootloader allows attackers to execute arbitrary code on devices with Exynos chipsets.

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-2019-20567?

CVE-2019-20567 is a critical memory corruption vulnerability in Google Android, published on 24 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on Samsung mobile devices with N(7.x), O(8.x), and P(9.0) (Exynos chipsets) software. A up_parm heap overflow leads to code execution in the bootloader. The Samsung ID is SVE-2019-14993 (September 2019).

Weakness: CWE-787

Which versions are affected by CVE-2019-20567?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2019-20567?

No fix has been published for CVE-2019-20567 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-2019-20567 being exploited?

There is no known exploitation of CVE-2019-20567 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-fh35-g5m2-7qf7.