In short
- CVE-2015-7225 is a MEDIUM (CVSS 5.3) vulnerability affecting devise-two-factor, devise-two-factor (tinfoilsecurity).
- Chance of exploitation in the next 30 days (EPSS): 2.1%, higher than 81.4% of all vulnerabilities.
- Fix: update to 2.0.0 or later.
Description
Tinfoil Devise-two-factor before 2.0.0 does not strictly follow RFC 6238 § 5.2 and does not "burn" a successfully validated one-time password (aka OTP), which allows physically proximate attackers with a target user's login credentials to log in as said user by obtaining the OTP through performing a man-in-the-middle attack between the provider and verifier, or "shoulder surfing", and replaying the OTP in the current time-step.
NVD description
Tinfoil Devise-two-factor before 2.0.0 does not strictly follow section 5.2 of RFC 6238 and does not "burn" a successfully validated one-time password (aka OTP), which allows remote or physically proximate attackers with a target user's login credentials to log in as said user by obtaining the OTP through performing a man-in-the-middle attack between the provider and verifier, or shoulder surfing, and replaying the OTP in the current time-step.
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