#VU29615 Out-of-bounds read in Yubico products - CVE-2020-13131
Published: July 9, 2020 / Updated: July 15, 2020
Vulnerability identifier: #VU29615
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-13131
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
libykpiv
Yubico PIV Tool
YubiKey Smart Card Minidriver
libykpiv
Yubico PIV Tool
YubiKey Smart Card Minidriver
Software vendor:
Yubico
Yubico
Description
The vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the "ykpiv_util_generate_key()" function. An attacker with physical access can use a specially crafted PIV token, trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install updates from vendor's website.