Main Vulnerability Database Vulnerabilities #VU34415

#VU34415 Double Free in OpenSC - CVE-2019-20792

Published: April 29, 2020 / Updated: August 8, 2020

Vulnerability identifier: #VU34415

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2019-20792

CWE-ID: CWE-415

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
OpenSC

Software vendor:
OpenSC

Description

The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check.

Install update from vendor's website.