CVE-2011-4120

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Summary

CVECVE-2011-4120
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-11-26 05:15:00 UTC
Updated2020-08-18 15:05:00 UTC
DescriptionYubico 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.

Risk And Classification

Problem Types: CWE-20

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Linux Linux Kernel - All All All
Operating System Linux Linux Kernel - All All All
Application Yubico Pam Module All All All All
Application Yubico Pam Module All All All All

References

ReferenceSourceLinkTags
Red Hat Customer Portal MISC access.redhat.com Broken Link, Third Party Advisory
CVE-2011-4120 MISC security-tracker.debian.org Third Party Advisory
733322 – (CVE-2011-4120) CVE-2011-4120 pam_yubico: Authentication bypass via NULL password MISC bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
oss-security - Re: CVE Request -- pam_yubico -- Authentication bypass via NULL password MISC www.openwall.com Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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