Main Vulnerability Database Vulnerabilities #VU34470

Use of a broken or risky cryptographic algorithm in wolfSSL - CVE-2020-11713

Published: April 12, 2020 / Updated: August 8, 2020

Vulnerability identifier: #VU34470

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2020-11713

CWE-ID: CWE-327

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: wolfSSL

Affected software:
wolfSSL

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

wolfSSL 4.3.0 has mulmod code in wc_ecc_mulmod_ex in ecc.c that does not properly resist timing side-channel attacks.

Install update from vendor's website.