OSV-2020-42 Heap-buffer-overflow in bool arrow::util::RleDecoder::NextCounts<int>
A heap-buffer-overflow in Apache Arrow's RleDecoder allows attackers to cause denial of service or potentially execute code via crafted data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2020-42?
OSV-2020-42 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=20695
Crash type: Heap-buffer-overflow WRITE {*}
Crash state:
bool arrow::util::RleDecoder::NextCounts<int>
int arrow::util::RleDecoder::GetBatchWithDictSpaced<int>
virtual thunk to parquet::DictDecoderImpl<parquet::PhysicalType<
Which versions are affected by OSV-2020-42?
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-2020-42?
No fix has been published for OSV-2020-42 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-2020-42 being exploited?
There is no known exploitation of OSV-2020-42 in the wild and no public exploit code.