CVE-2018-9275

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Published Apr 4, 2018 CVSS 3.0 · 8.2 High EPSS 1.4% KEV · Not listed

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).

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:yubico:yubico_pam:*:*:*:*:*:yubico:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2018-20869	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).

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.416% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
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

History

No history.

Subscriptions

Yubico Yubico Pam

Weaknesses

CWE-200

Sources

CVE record Updated: Sep 17, 2024, 4:23 AM

Status: PUBLISHED
Assigner: mitre
Published: Apr 4, 2018, 6:00 PM
Updated: Sep 17, 2024, 4:23 AM
Reserved: Apr 4, 2018, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:06 AM

Status: Modified
Published: Apr 4, 2018, 6:29 PM
Modified: Jun 17, 2026, 2:06 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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