Insufficient Entropy

devise-two-factor is vulnerable to Insufficient Entropy. The vulnerability is due to the generation of TOTP shared secrets that are only 120 bits, shorter than the 128-bit minimum defined by RFC 4226, allowing an attacker to more easily guess the shared secret and generate valid TOTP codes...

CVE-2024-8796

Under the default configuration, Devise-Two-Factor versions = 2.2.0 & 6.0.0 generate TOTP shared secrets that are 120 bits instead of the 128-bit minimum defined by RFC 4226. Using a shared secret shorter than the minimum to generate a multi-factor authentication code could make it easier for an...