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Ubuntu Security Notice USN-7050-1
October 01, 2024
ruby-devise-two-factor vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in Devise-Two-Factor.
Software Description:
- ruby-devise-two-factor: Barebones two-factor authentication with Devise
Details:
Benoit Côté-Jodoin and Michael Nipper discovered that Devise-Two-Factor
incorrectly handled one-time password validation. An attacker could
possibly use this issue to intercept and re-use a one-time password.
(CVE-2021-43177)
Garrett Rappaport discovered that Devise-Two-Factor incorrectly handled
generating multi-factor authentication codes. An attacker could possibly
use this issue to generate valid multi-factor authentication codes.
(CVE-2024-8796)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS
  ruby-devise-two-factor          4.0.0-2ubuntu0.1~esm1
                                  Available with Ubuntu Pro
Ubuntu 20.04 LTS
  ruby-devise-two-factor          3.1.0-2ubuntu0.1~esm1
                                  Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7050-1 
<https://ubuntu.com/security/notices/USN-7050-1>
  CVE-2021-43177, CVE-2024-8796