Vulnerability Details 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 attacker to guess the shared secret and generate valid TOTP codes.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 35.2%
CVSS Severity
CVSS v3 Score 5.3
References
Products affected by CVE-2024-8796
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cpe:2.3:a:tinfoilsecurity:devise-two-factor:1.0.0
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cpe:2.3:a:tinfoilsecurity:devise-two-factor:4.0.0
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cpe:2.3:a:tinfoilsecurity:devise-two-factor:4.0.1
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cpe:2.3:a:tinfoilsecurity:devise-two-factor:4.0.2