Upstream information

CVE-2018-9275 at MITRE

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).

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.4
Vector AV:N/AC:L/Au:N/C:P/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 8.2 4.4
Vector AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Access Vector Network Local
Access Complexity Low Low
Privileges Required None Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact Low Low
Integrity Impact None None
Availability Impact High Low
SUSE Bugzilla entry: 1088027 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Module for Basesystem 15
  • pam_yubico >= 2.26-1.7
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 GA pam_yubico


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Module for Basesystem 15 GA pam_yubico Already fixed