CVE-2024-8443 Libopensc: heap buffer overflow in openpgp driver when generating key
A heap buffer overflow in the libopensc OpenPGP driver allows arbitrary code execution via a malicious smart card or USB device during key generation.
- 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
- Available
What is CVE-2024-8443?
CVE-2024-8443 is a low-severity memory corruption vulnerability in Opensc Project Opensc, published on 10 Sep 2024. 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
A heap-based buffer overflow vulnerability was found in the libopensc OpenPGP driver. A crafted USB device or smart card with malicious responses to the APDUs during the card enrollment process using the `pkcs15-init` tool may lead to out-of-bound rights, possibly resulting in arbitrary code execution.
Which versions are affected by CVE-2024-8443?
It affects 2 products.
Products include Opensc Project Opensc, Redhat Enterprise Linux.
How do I fix CVE-2024-8443?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-8443 being exploited?
There is no known exploitation of CVE-2024-8443 in the wild and no public exploit code.
Other vulnerabilities in Opensc Project Opensc
Sources
Also known as AZL-49059, AZL-49081, BELL-CVE-2024-8443, CLSA-2026-1788870088, DEBIAN-CVE-2024-8443, GHSA-mgc5-p43f-72pc and 1 more.