Fedora 31: botan2 2020-f9a8f05df5

    Date 12 Jul 2020
    139
    Posted By LinuxSecurity Advisories
    Backport patch for #1849743 (CBC padding side channel) from 2.14.0.
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    Fedora Update Notification
    FEDORA-2020-f9a8f05df5
    2020-07-13 01:38:15.300529
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    Name        : botan2
    Product     : Fedora 31
    Version     : 2.11.0
    Release     : 3.fc31
    URL         : https://botan.randombit.net/
    Summary     : Crypto and TLS for C++11
    Description :
    Botan is a BSD-licensed crypto library written in C++. It provides a
    wide variety of basic cryptographic algorithms, X.509 certificates and
    CRLs, PKCS \#10 certificate requests, a filter/pipe message processing
    system, and a wide variety of other features, all written in portable
    C++. The API reference, tutorial, and examples may help impart the
    flavor of the library. This is the current stable release branch 2.x
    of Botan.
    
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    Update Information:
    
    Backport patch for #1849743 (CBC padding side channel) from 2.14.0.
    --------------------------------------------------------------------------------
    ChangeLog:
    
    * Sat Jul  4 2020 Thomas Moschny  - 2.11.0-3
    - Backport patch for #1849743 (CBC padding side channel) from 2.14.0
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    References:
    
      [ 1 ] Bug #1849745 - botan2: botan: CBC padding operations were not constant time and as a result would leak the length of the plaintext values which were being padded [fedora-all]
            https://bugzilla.redhat.com/show_bug.cgi?id=1849745
      [ 2 ] Bug #1849746 - botan2: botan: CBC padding operations were not constant time and as a result would leak the length of the plaintext values which were being padded [epel-8]
            https://bugzilla.redhat.com/show_bug.cgi?id=1849746
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    This update can be installed with the "dnf" update program. Use
    su -c 'dnf upgrade --advisory FEDORA-2020-f9a8f05df5' at the command
    line. For more information, refer to the dnf documentation available at
    https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
    
    All packages are signed with the Fedora Project GPG key. More details on the
    GPG keys used by the Fedora Project can be found at
    https://fedoraproject.org/keys
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