Description
Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'sufficient' in the PAM configuration. A remote attacker could use this flaw to circumvent common authentication process and obtain access to the account in question by providing a NULL value (pressing Ctrl-D keyboard sequence) as the password string.
Published: 2019-11-26
Score: 9.8 Critical
EPSS: 1.5% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2011-4068 Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'sufficient' in the PAM configuration. A remote attacker could use this flaw to circumvent common authentication process and obtain access to the account in question by providing a NULL value (pressing Ctrl-D keyboard sequence) as the password string.
History

No history.

Subscriptions

Debian Debian Linux
Linux Linux Kernel
Yubico Pam Module
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-07T00:01:50.367Z

Reserved: 2011-10-18T00:00:00.000Z

Link: CVE-2011-4120

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-11-26T05:15:13.130

Modified: 2024-11-21T01:31:53.250

Link: CVE-2011-4120

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses