CVE-2018-9275

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    CVE-2018-9275

    Published: 4 Apr 2018Last Modified: 8 Jul 2026

    Summary:

    Details: 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).

    References: https://bugzilla.opensuse.org/show_bug.cgi?id=1088027, https://github.com/Yubico/yubico-pam/issues/136, https://github.com/Yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089ba

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- f5363a207b14d46b86022e598399a31201164594
    Fixed -None

    Affected versions

    2.25

    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