CVE-2021-39254 Integer overflow in n/a
A crafted NTFS image triggers an integer overflow leading to heap corruption, allowing attackers to execute code or crash the system via the NTFS-3G driver.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-39254?
CVE-2021-39254 is a medium-severity 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
A crafted NTFS image can cause an integer overflow in memmove, leading to a heap-based buffer overflow in the function ntfs_attr_record_resize, in NTFS-3G < 2021.8.22.
Which versions are affected by CVE-2021-39254?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Tuxera Ntfs-3g.
How do I fix CVE-2021-39254?
Upgrade to a fixed version.
Is CVE-2021-39254 being exploited?
There is no known exploitation of CVE-2021-39254 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-6759, DEBIAN-CVE-2021-39254, GHSA-j6xg-g9vq-x958, UBUNTU-CVE-2021-39254.