OSV-2020-1609 Heap-buffer-overflow in fdisk_partname
A heap buffer overflow in fdisk_partname allows attackers to cause denial of service or potentially execute code via crafted disk images.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2020-1609?
OSV-2020-1609 is a memory corruption vulnerability in util-linux, published on 14 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24859
Crash type: Heap-buffer-overflow READ 1
Crash state:
fdisk_partname
write_file_sfdisk
fdisk_script_write_file
Which versions are affected by OSV-2020-1609?
1 open source package ship an affected version, including util-linux.
| Package | Affected | Fixed in |
|---|---|---|
util-linux OSS-Fuzz | All versions | None |
How do I fix OSV-2020-1609?
No fix has been published for OSV-2020-1609 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 OSV-2020-1609 being exploited?
There is no known exploitation of OSV-2020-1609 in the wild and no public exploit code.