CVE-2021-33286 Memory corruption in n/a

High 7.8 Published Updated

A heap buffer overflow in NTFS-3G allows attackers to execute arbitrary code via a specially crafted Unicode string in an NTFS image.

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-2021-33286?

CVE-2021-33286 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 7 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In NTFS-3G versions < 2021.8.22, when a specially crafted unicode string is supplied in an NTFS image a heap buffer overflow can occur and allow for code execution.

Weakness: CWE-787

Which versions are affected by CVE-2021-33286?

It affects 2 products.

Products include Debian Debian Linux, Tuxera Ntfs-3g.

How do I fix CVE-2021-33286?

Upgrade to a fixed version.

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

Is CVE-2021-33286 being exploited?

There is no known exploitation of CVE-2021-33286 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as AZL-6749, DEBIAN-CVE-2021-33286, GHSA-9jw7-m3f8-7p2f, UBUNTU-CVE-2021-33286.

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