In check_user_token in util.c in the Yubico PAM module (aka pam_yubico) 2.18 through 2.25, successful logins can leak file descriptors to the auth mapping file, which can lead to information disclosure (serial number of a device) and/or DoS (reaching the maximum number of file descriptors).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade yubico-pam | Jul 30, 2024 | Apr 4, 2018 |
| Suse | — | Upgrade pam_yubico | Nov 22, 2018 | Apr 4, 2018 |
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