OSV-2020-63 UNKNOWN READ in arrow::BaseBinaryBuilder<arrow::BinaryType>::UnsafeAppend
An unknown read vulnerability in Apache Arrow's binary builder can cause a crash when decoding Parquet data, potentially leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2020-63?
OSV-2020-63 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=20697
Crash type: UNKNOWN READ
Crash state:
arrow::BaseBinaryBuilder<arrow::BinaryType>::UnsafeAppend
parquet::PlainByteArrayDecoder::DecodeArrowDense
parquet::PlainByteArrayDecoder::DecodeArrow
Which versions are affected by OSV-2020-63?
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-2020-63?
No fix has been published for OSV-2020-63 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-2020-63 being exploited?
There is no known exploitation of OSV-2020-63 in the wild and no public exploit code.