CVE-2019-15937 Memory corruption in n/a

Critical 9.8 Published 5 Sep 2019 Updated 5 Aug 2024

Remote attackers can execute arbitrary code via a buffer overflow in the NFS client of the barebox bootloader.

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-2019-15937?

CVE-2019-15937 is a critical memory corruption vulnerability in n/a, published on 5 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Pengutronix barebox through 2019.08.1 has a remote buffer overflow in nfs_readlink_reply in net/nfs.c because a length field is directly used for a memcpy.

Weakness: CWE-787

Which versions are affected by CVE-2019-15937?

It affects 1 product.

Products include Pengutronix Barebox.

How do I fix CVE-2019-15937?

No fix has been published for CVE-2019-15937 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-2019-15937 being exploited?

There is no known exploitation of CVE-2019-15937 in the wild and no public exploit code.

Sources

Also known as GHSA-6j5h-7735-874p.