CVE-2021-44496 Memory corruption in n/a

Critical 9.8 Published 15 Apr 2022 Updated 4 Aug 2024

Attackers can exploit a buffer overflow in FIS GT.M to overwrite memory and execute arbitrary code via crafted input.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2021-44496?

CVE-2021-44496 is a critical memory corruption vulnerability in n/a, published on 15 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.

Weakness: CWE-119

Which versions are affected by CVE-2021-44496?

It affects 1 product.

Products include Fisglobal Gt.m.

How do I fix CVE-2021-44496?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-44496 being exploited?

There is no known exploitation of CVE-2021-44496 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2021-44496, GHSA-7c8m-rjpw-8hh3, UBUNTU-CVE-2021-44496.