CVE-2021-38479 AUVESY Versiondog

Medium 6.5 Published 22 Oct 2021 Updated 16 Sep 2024

Attackers can exploit raw pointer handling in AUVESY Versiondog API to write arbitrary data to memory, potentially leading to code execution.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-38479?

CVE-2021-38479 is a medium-severity memory corruption vulnerability in AUVESY Versiondog, published on 22 Oct 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Many API function codes receive raw pointers remotely from the user and trust these pointers as valid in-bound memory regions. An attacker can manipulate API functions by writing arbitrary data into the resolved address of a raw pointer.

Weakness: CWE-787

Which versions are affected by CVE-2021-38479?

It affects 1 product.

Products include Auvesy Versiondog.

How do I fix CVE-2021-38479?

No fix has been published for CVE-2021-38479 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-2021-38479 being exploited?

There is no known exploitation of CVE-2021-38479 in the wild and no public exploit code.

Sources

Also known as GHSA-27q3-p62g-44fr.