SB2020082413 - Information disclosure in wolfSSL
Published: August 24, 2020
Security Bulletin ID
SB2020082413
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2020-11735)
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 update from vendor's website.