CVE-2021-40943 Null dereference in n/a

Medium 5.5 Published Updated

A null pointer dereference in Bento4 allows attackers to cause a denial of service via crafted media 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 CVE-2021-40943?

CVE-2021-40943 is a medium-severity vulnerability in Axiosys Bento4, published on 28 Jun 2022. 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

In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).

Weakness: CWE-476

Which versions are affected by CVE-2021-40943?

It affects 1 product.

Products include Axiosys Bento4.

How do I fix CVE-2021-40943?

No fix has been published for CVE-2021-40943 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-40943 being exploited?

There is no known exploitation of CVE-2021-40943 in the wild and no public exploit code.

All Axiosys Bento4 vulnerabilities

Sources

Also known as GHSA-c76m-xvx5-75qc, UBUNTU-CVE-2021-40943.

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