CVE-2021-33650 Memory corruption in openEuler:mindspore

High 7.5 Published 27 Jun 2022 Updated 3 Aug 2024

Out-of-bounds read in MindSpore's SparseToDense operator allows attackers to cause memory corruption or denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-33650?

CVE-2021-33650 is a high-severity memory corruption vulnerability in openEuler:mindspore, published on 27 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

When performing the inference shape operation of the SparseToDense operator, if the number of inputs is less than three, it will access data outside of bounds of inputs which allocated from heap buffers.

Weakness: CWE-125

Which versions are affected by CVE-2021-33650?

It affects 1 product.

Products include Mindspore Mindspore.

How do I fix CVE-2021-33650?

No fix has been published for CVE-2021-33650 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 CVE-2021-33650 being exploited?

There is no known exploitation of CVE-2021-33650 in the wild and no public exploit code.

Sources

Also known as GHSA-84w2-mxww-qhfg.