OSV-2021-1197 Heap-buffer-overflow in H5O__linfo_decode
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
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2021-1197?
OSV-2021-1197 is a memory corruption vulnerability in matio, published on 4 Sep 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38041
Crash type: Heap-buffer-overflow READ 1
Crash state:
H5O__linfo_decode
H5O_msg_read_oh
H5O_msg_read
Which versions are affected by OSV-2021-1197?
1 open source package ship an affected version, including matio.
| Package | Affected | Fixed in |
|---|---|---|
matio OSS-Fuzz | All versions | None |
How do I fix OSV-2021-1197?
No fix has been published for OSV-2021-1197 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-2021-1197 being exploited?
There is no known exploitation of OSV-2021-1197 in the wild and no public exploit code.