CVE-2011-4120

State: Published
Severity: Not scored
Published: Nov 26, 2019
Updated: Aug 7, 2024
Reserved: Oct 18, 2011

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
yubico-pamyubico-pam	before 2.10Affected

References

https://security-tracker.debian.org/tracker/CVE-2011-4120
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4120
https://access.redhat.com/security/cve/cve-2011-4120
https://www.openwall.com/lists/oss-security/2011/11/07/6

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