CVE-2021-43276 Memory corruption in n/a

High 7.8 Published Updated

A crafted DWF file triggers an out-of-bounds read in ODA Viewer, potentially allowing arbitrary code execution when combined with other vulnerabilities.

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-2021-43276?

CVE-2021-43276 is a high-severity memory corruption vulnerability in n/a, published on 14 Nov 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

An Out-of-bounds Read vulnerability exists in Open Design Alliance ODA Viewer before 2022.8. Crafted data in a DWF file can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process

Weakness: CWE-125

Which versions are affected by CVE-2021-43276?

It affects 1 product.

Products include Opendesign Oda Viewer.

How do I fix CVE-2021-43276?

No fix has been published for CVE-2021-43276 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-2021-43276 being exploited?

There is no known exploitation of CVE-2021-43276 in the wild and no public exploit code.

Sources

Also known as GHSA-pg56-q33g-2q76.

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