VULNERABILITY INTELLIGENCE

CVE-2018-9275

CVSS score8.2 HIGH
EPSS probability1.42%
CISA KEVNot currently listed
Published2018-04-04
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

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).

Weakness classification

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Primary references