SECURITY: Fedora 31 Update: botan2-2.11.0-3.fc31
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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.
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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
http://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
A botan2 security update has been released for Fedora 31.
