OSV-2023-370 Heap-buffer-overflow in H5FS__sect_link

Not scored Published

A heap-buffer-overflow in the HDF5 library allows attackers to cause denial of service or potentially execute code 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-2023-370?

OSV-2023-370 is a memory corruption vulnerability in hdf5, published on 6 May 2023.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58622

Crash type: Heap-buffer-overflow READ 8
Crash state:
H5FS__sect_link
H5FS_sect_add
H5MF__add_sect

Which versions are affected by OSV-2023-370?

1 open source package ship an affected version, including hdf5.

PackageAffectedFixed in
hdf5 OSS-FuzzAll versionsNone

How do I fix OSV-2023-370?

No fix has been published for OSV-2023-370 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-2023-370 being exploited?

There is no known exploitation of OSV-2023-370 in the wild and no public exploit code.

Sources

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