CVE-2021-44497 Use after free in n/a

High 7.5 Published 15 Apr 2022 Updated 4 Aug 2024

Crafted input causes a use-after-free condition in FIS GT.M, potentially allowing attackers to execute arbitrary code or crash the system.

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

What is CVE-2021-44497?

CVE-2021-44497 is a high-severity use after free 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, can cause the bounds of a for loop to be miscalculated, which leads to a use after free condition a pointer is pushed into previously free memory by the loop.

Weakness: CWE-416

Which versions are affected by CVE-2021-44497?

It affects 1 product.

Products include Fisglobal Gt.m.

How do I fix CVE-2021-44497?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2021-44497 being exploited?

There is no known exploitation of CVE-2021-44497 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2021-44497, GHSA-g7cg-63c8-8whr, UBUNTU-CVE-2021-44497.