CVE-2012-6140

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    CVE-2012-6140

    Published: 24 Apr 2013Last Modified: 10 Apr 2026

    Summary:

    Details: pam_google_authenticator.c in the PAM module in Google Authenticator before 1.0 requires user-readable permissions for the secret file, which allows local users to bypass intended access restrictions and discover a shared secret via standard filesystem operations, a different vulnerability than CVE-2013-0258.

    References: https://bugzilla.redhat.com/show_bug.cgi?id=953505, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=666129, http://openwall.com/lists/oss-security/2013/04/18/10, https://code.google.com/p/google-authenticator/source/detail?r=c3414e9857ad64e52283f3266065ef3023fc69a8

    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