CVE-2011-4966

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    CVE-2011-4966

    Published: 12 Mar 2013Last Modified: 10 Apr 2026

    Summary:

    Details: modules/rlm_unix/rlm_unix.c in FreeRADIUS before 2.2.0, when unix mode is enabled for user authentication, does not properly check the password expiration in /etc/shadow, which allows remote authenticated users to authenticate using an expired password.

    References: http://rhn.redhat.com/errata/RHBA-2012-0881.html, http://rhn.redhat.com/errata/RHSA-2013-0134.html, http://rhn.redhat.com/errata/RHSA-2013-0134.html, https://github.com/alandekok/freeradius-server/commit/1b1ec5ce75e224bd1755650c18ccdaa6dc53e605, http://lists.opensuse.org/opensuse-updates/2013-01/msg00029.html, http://lists.opensuse.org/opensuse-updates/2013-01/msg00079.html

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High