#VU66136 Unchecked Return Value in OpenSC - CVE-2021-42780
Published: August 5, 2022 / Updated: August 5, 2022
Vulnerability identifier: #VU66136
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-42780
CWE-ID: CWE-252
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
OpenSC
OpenSC
Software vendor:
OpenSC
OpenSC
Description
The vulnerability allows an attacker with physical access to perform denial of service attacks.
The vulnerability exists due to use after return issue in insert_pin() function in Opensc. An attacker with physical access can trigger the vulnerability to perform denial of service attacks.
Remediation
Install updates from vendor's website.