OSV-2020-63 UNKNOWN READ in arrow::BaseBinaryBuilder<arrow::BinaryType>::UnsafeAppend

Not scored Published

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&lt;arrow::BinaryType&gt;::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.

PackageAffectedFixed in
arrow OSS-FuzzAll versionsNone

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.

Sources

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