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: Resolved

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 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CVSS:3.0/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
CVSSv3 Version 3 3
SUSE Bugzilla entry: 1088027 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 12 SP4
SUSE Linux Enterprise High Performance Computing 12 SP5
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server 12 SP5
  • pam_yubico >= 2.26-1.25
SUSE Linux Enterprise Module for Basesystem 15
SUSE Linux Enterprise Module for Basesystem 15 SP1
SUSE Linux Enterprise Module for Basesystem 15 SP2
SUSE Linux Enterprise Module for Basesystem 15 SP3
  • pam_yubico >= 2.26-1.7
openSUSE Tumbleweed
  • pam_yubico >= 2.27-1.5
Patchnames:
openSUSE Tumbleweed GA pam_yubico-2.27-1.5


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 CaaS Platform 4.0 pam_yubico Already fixed
SUSE Enterprise Storage 6 pam_yubico Already fixed
SUSE Linux Enterprise High Performance Computing 12 SP5 pam_yubico Already fixed
SUSE Linux Enterprise High Performance Computing 15 LTSS pam_yubico Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS pam_yubico Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP2 pam_yubico Already fixed
SUSE Linux Enterprise Server 12 SP4 ESPOS pam_yubico Already fixed
SUSE Linux Enterprise Server 12 SP4 LTSS pam_yubico Already fixed
SUSE Linux Enterprise Server 12 SP5 pam_yubico Already fixed
SUSE Linux Enterprise Server 15 LTSS pam_yubico Already fixed
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux pam_yubico Already fixed
SUSE Linux Enterprise Server 15 SP1 LTSS pam_yubico Already fixed
SUSE Linux Enterprise Server ESPOS 15 pam_yubico Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP4 pam_yubico Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP5 pam_yubico Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 pam_yubico Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP1 pam_yubico Already fixed
SUSE Manager Proxy 4.0 pam_yubico Already fixed
SUSE Manager Retail Branch Server 4.0 pam_yubico Already fixed
SUSE Manager Server 4.0 pam_yubico Already fixed
SUSE OpenStack Cloud 9 pam_yubico Already fixed
SUSE OpenStack Cloud Crowbar 9 pam_yubico Already fixed