A vulnerability has been discovered in Yubico pam-u2f, which can lead to a partial authentication bypass.
| Package | Arch | Vulnerable | Unaffected |
|---|---|---|---|
| sys-auth/pam_u2f | * | < 1.3.2 | >= 1.3.2 |
Yubico pam-u2f is a PAM module for FIDO2 and U2F keys.
Multiple vulnerabilities have been discovered in Yubico pam-u2f. Please review the CVE identifiers referenced below for details.
Depending on specific settings and usage scenarios the result of the pam-u2f module may be altered or ignored.
There is no known workaround at this time.
All Yubico pam-u2f users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=sys-auth/pam_u2f-1.3.2"
A vulnerability has been discovered in pam-u2f which could allow a local attacker to bypass PIN entry.
| Package | Arch | Vulnerable | Unaffected |
|---|---|---|---|
| sys-auth/pam_u2f | * | < 1.1.1 | >= 1.1.1 |
Yubico pam-u2f is a PAM module for FIDO2 and U2F keys.
A logic issue in Yubico pam-u2f could result in the bypass of a PIN entry requirement when authenticating with FIDO2.
An attacker with local access to certain applications using pam-u2f for authentication could incorrectly successfully authenticate without entering the authentication PIN.
There is no known workaround at this time.
All Yubico pam-u2f users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=sys-auth/pam_u2f-1.1.1"