CVE-2018-9275

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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.2 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 56%
VendorProductVersion
yubicoyubico_pam
2.18 ≤
𝑥
≤ 2.25
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
yubico-pam
bookworm
2.26-1.1
fixed
bullseye
2.26-1.1
fixed
stretch
no-dsa
jessie
not-affected
wheezy
not-affected
sid
2.27-1
fixed
trixie
2.27-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
yubico-pam
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
cosmic
ignored
bionic
needs-triage
artful
ignored
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
https://bugzilla.opensuse.org/show_bug.cgi?id=1088027
https://github.com/Yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089ba
https://github.com/Yubico/yubico-pam/issues/136
https://bugzilla.opensuse.org/show_bug.cgi?id=1088027
https://github.com/Yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089ba
https://github.com/Yubico/yubico-pam/issues/136