#VU45990 Information disclosure in wolfSSL - CVE-2020-11735

 

#VU45990 Information disclosure in wolfSSL - CVE-2020-11735

Published: August 24, 2020


Vulnerability identifier: #VU45990
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-11735
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
wolfSSL
Software vendor:
wolfSSL

Description

The vulnerability allows an attacker to gain access to potentially sensitive information.

The private-key operations in ecc.c in wolfSSL before 4.4.0 do not use a constant-time modular inverse when mapping to affine coordinates, aka a "projective coordinates leak."


Remediation

Install updates from vendor's website.

External links