CVE-2018-11730 Use after free in n/a

Medium 5.5 Published 19 Jun 2018 Updated 5 Aug 2024

A double-free vulnerability in libfsntfs allows remote attackers to cause a denial of service via a crafted NTFS file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2018-11730?

CVE-2018-11730 is a medium-severity use after free vulnerability in n/a, published on 19 Jun 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The libfsntfs_security_descriptor_values_free function in libfsntfs_security_descriptor_values.c in libfsntfs through 2018-04-20 allows remote attackers to cause a denial of service (double-free) via a crafted ntfs file. NOTE: the vendor has disputed this as described in libyal/libfsntfs issue 8 on GitHub

Weakness: CWE-415

Which versions are affected by CVE-2018-11730?

It affects 1 product.

Products include Libfsntfs Project Libfsntfs.

How do I fix CVE-2018-11730?

No fix published yet.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2018-11730 being exploited?

There is no known exploitation of CVE-2018-11730 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-11730, GHSA-966j-fc7p-8925.