OSV-2023-443 Use-after-poison in file_is_simh
A use-after-poison vulnerability in the file identification library allows attackers to cause a denial of service via crafted files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2023-443?
OSV-2023-443 is an use after free vulnerability in file, published on 31 May 2023.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=59438
Crash type: Use-after-poison READ 4
Crash state:
file_is_simh
file_buffer
magic_buffer
Which versions are affected by OSV-2023-443?
1 open source package ship an affected version, including file.
| Package | Affected | Fixed in |
|---|---|---|
file OSS-Fuzz | All versions | None |
How do I fix OSV-2023-443?
No fix has been published for OSV-2023-443 yet. Limit exposure of the affected software until one is available.
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 OSV-2023-443 being exploited?
There is no known exploitation of OSV-2023-443 in the wild and no public exploit code.