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    Debian: DSA-4389-1: libu2f-host security update

    Date 11 Feb 2019
    3930
    Posted By LinuxSecurity Advisories
    Christian Reitter discovered that libu2f-host, a library implementing the host-side of the U2F protocol, failed to properly check for a buffer overflow. This would allow an attacker with a custom made malicious USB device masquerading as a security key, and physical
    
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    Debian Security Advisory DSA-4389-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                       Sebastien Delafond
    February 11, 2019                     https://www.debian.org/security/faq
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    Package        : libu2f-host
    CVE ID         : CVE-2018-20340
    Debian Bug     : 921725
    
    Christian Reitter discovered that libu2f-host, a library implementing
    the host-side of the U2F protocol, failed to properly check for a
    buffer overflow. This would allow an attacker with a custom made
    malicious USB device masquerading as a security key, and physical
    access to a computer where PAM U2F or an application with libu2f-host
    integrated, to potentially execute arbitrary code on that computer.
    
    For the stable distribution (stretch), this problem has been fixed in
    version 1.1.2-2+deb9u1.
    
    We recommend that you upgrade your libu2f-host packages.
    
    For the detailed security status of libu2f-host please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/libu2f-host
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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