#VU98507 Heap-based buffer overflow in OpenSC - CVE-2024-8443

 

#VU98507 Heap-based buffer overflow in OpenSC - CVE-2024-8443

Published: October 14, 2024


Vulnerability identifier: #VU98507
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-8443
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
OpenSC
Software vendor:
OpenSC

Description

The vulnerability allows an attacker to bypass implemented security restrictions.

The vulnerability exists due to a boundary error in the libopensc OpenPGP driver. An attacker with physical access to the system can use a crafted USB device or smart card with malicious responses to the APDUs during the card enrollment process using the pkcs15-init tool to trigger an out-of-bound rights, possibly resulting in arbitrary code execution.


Remediation

Install updates from vendor's website.

External links