| Name | CVE-2018-9275 |
| Description | 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). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 896491 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| yubico-pam (PTS) | bookworm, bullseye | 2.26-1.1 | fixed |
| trixie, sid | 2.27-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| yubico-pam | source | wheezy | (not affected) | |||
| yubico-pam | source | jessie | (not affected) | |||
| yubico-pam | source | (unstable) | 2.26-1 | 896491 |
[stretch] - yubico-pam <no-dsa> (Minor issue)
[jessie] - yubico-pam <not-affected> (Vulnerable code introduced later)
[wheezy] - yubico-pam <not-affected> (Vulnerable code introduced later)
https://bugzilla.opensuse.org/show_bug.cgi?id=1088027
Fixed by: https://github.com/Yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089ba
Introduced in: https://github.com/Yubico/yubico-pam/commit/d9780eacd9e61c5062cdabdce21c224de1884583 (2.18)
https://github.com/Yubico/yubico-pam/issues/136