CVE-2024-0684 Coreutils: heap overflow in split --line-bytes with very long lines

Medium 5.5 Published Updated

A heap overflow in GNU coreutils split command allows attackers to cause a denial of service via crafted long lines.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-0684?

CVE-2024-0684 is a medium-severity memory corruption vulnerability in gnu:coreutils, published on 6 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw was found in the GNU coreutils "split" program. A heap overflow with user-controlled data of multiple hundred bytes in length could occur in the line_bytes_split() function, potentially leading to an application crash and denial of service.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2024-0684?

It affects 1 product.

Linux distribution packages (1)
coreutils openSUSE:TumbleweedAll versions9.4-3.1

Products include Gnu Coreutils.

How do I fix CVE-2024-0684?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-0684 being exploited?

There is no known exploitation of CVE-2024-0684 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as ALPINE-CVE-2024-0684, AZL-34629, BELL-CVE-2024-0684, DEBIAN-CVE-2024-0684, GHSA-p8pq-6r4w-c75v, openSUSE-SU-2024:13618-1.

Is CVE-2024-0684 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free