#VU45988 Cryptographic issues in wolfSSL - CVE-2020-15309
Published: August 24, 2020
Vulnerability identifier: #VU45988
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-15309
CWE-ID: CWE-310
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
wolfSSL
wolfSSL
Software vendor:
wolfSSL
wolfSSL
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists in wolfSSL when single precision is not employed. A local user can conduct a cache-timing attack against public key operations. These attackers may already have obtained sensitive information if the affected system has been used for private key operations (e.g., signing with a private key).
Remediation
Install updates from vendor's website.