CVE-2018-20617 Memory corruption in n/a

High 8.8 Published 31 Dec 2018 Updated 16 Sep 2024

A heap-based buffer overflow in the ok-file-formats library allows attackers to execute arbitrary code or cause denial of service via crafted CSV files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-20617?

CVE-2018-20617 is a high-severity memory corruption vulnerability in n/a, published on 31 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

ok-file-formats through 2018-10-16 has a heap-based buffer overflow in the ok_csv_decode2 function in ok_csv.c.

Weakness: CWE-787

Which versions are affected by CVE-2018-20617?

It affects 1 product.

Products include Ok-File-Formats Project Ok-File-Formats.

How do I fix CVE-2018-20617?

No fix has been published for CVE-2018-20617 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-2018-20617 being exploited?

There is no known exploitation of CVE-2018-20617 in the wild and no public exploit code.

Sources

Also known as GHSA-42fv-xh8h-648w.