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    CVE-2019-12210

    In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. This can leak sensitive information and also, if written to, be used to fill the disk or plant misinformation.

    Published:Jun 4, 2019
    Last Modified:Nov 21, 2024
    EPS:Jun 4, 2019
    EPSS Score:0.00359
    CVSS Score:8.1

    Affected Products

    Vendor
    Yubico
    Product
    Pam-u2f

    Exploits

    http://www.openwall.com/lists/oss-security/2019/06/05/1http://www.openwall.com/lists/oss-security/2019/06/05/1

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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