CVE-2022-32961 HiCOS’ client-side citizen digital certificate - Stack Buffer Overflow

Medium 6.8 Published 20 Jul 2022 Updated 16 Sep 2024

A stack buffer overflow in HiCOS client-side certificate software allows physical attackers to execute arbitrary code or disrupt services via IC card interaction.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-32961?

CVE-2022-32961 is a medium-severity memory corruption vulnerability in HINET HiCOS’ client-side citizen digital certificate, published on 20 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

HICOS’ client-side citizen digital certificate component has a stack-based buffer overflow vulnerability when reading IC card due to insufficient parameter length validation for token information. An unauthenticated physical attacker can exploit this vulnerability to execute arbitrary code, manipulate system data or terminate service.

Weakness: CWE-787

Which versions are affected by CVE-2022-32961?

It affects 1 product.

Products include Hinet Hicos Natural Person Credential Component Client.

How do I fix CVE-2022-32961?

No fix has been published for CVE-2022-32961 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-2022-32961 being exploited?

There is no known exploitation of CVE-2022-32961 in the wild and no public exploit code.

Sources

Also known as GHSA-wj56-2fcc-f3r3.