OSV-2020-22 Container-overflow in parquet::schema::Unflatten
A container overflow in the Parquet C++ 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-2020-22?
OSV-2020-22 is a memory corruption vulnerability in arrow, published on 24 Jun 2020.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20897
Crash type: Container-overflow READ 4
Crash state:
parquet::schema::Unflatten
parquet::FileMetaData::FileMetaDataImpl::FileMetaDataImpl
parquet::FileMetaData::FileMetaData
Which versions are affected by OSV-2020-22?
1 open source package ship an affected version, including arrow.
| Package | Affected | Fixed in |
|---|---|---|
arrow OSS-Fuzz | All versions | None |
How do I fix OSV-2020-22?
No fix has been published for OSV-2020-22 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-2020-22 being exploited?
There is no known exploitation of OSV-2020-22 in the wild and no public exploit code.