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    Debian: DSA-3967-1: mbedtls security update

    Date 08 Sep 2017
    238
    Posted By LinuxSecurity Advisories
    An authentication bypass vulnerability was discovered in mbed TLS, a lightweight crypto and SSL/TLS library, when the authentication mode is configured as 'optional'. A remote attacker can take advantage of this flaw to mount a man-in-the-middle attack and impersonate an intended
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3967-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    September 08, 2017                    https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : mbedtls
    CVE ID         : CVE-2017-14032
    Debian Bug     : 873557
    
    An authentication bypass vulnerability was discovered in mbed TLS, a
    lightweight crypto and SSL/TLS library, when the authentication mode is
    configured as 'optional'. A remote attacker can take advantage of this
    flaw to mount a man-in-the-middle attack and impersonate an intended
    peer via an X.509 certificate chain with many intermediates.
    
    For the stable distribution (stretch), this problem has been fixed in
    version 2.4.2-1+deb9u1.
    
    For the testing distribution (buster), this problem has been fixed
    in version 2.6.0-1.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 2.6.0-1.
    
    We recommend that you upgrade your mbedtls packages.
    
    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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