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Sicherheit: Zwei Probleme in python-oauth2
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in python-oauth2
ID: FEDORA-2014-12483
Distribution: Fedora
Plattformen: Fedora 21
Datum: So, 2. November 2014, 20:54
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4346
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4347
Applikationen: python-oauth2

Originalnachricht

Name        : python-oauth2
Product : Fedora 21
Version : 1.5.211
Release : 8.fc21
URL : http://pypi.python.org/pypi/oauth2/
Summary : Python support for improved oauth
Description :
Oauth2 was originally forked from Leah Culver and Andy Smith's oauth.py
code. Some of the tests come from a fork by Vic Fryzel, while a revamped
Request class and more tests were merged in from Mark Paschal's fork. A
number of notable differences exist between this code and its forefathers:

- 100% unit test coverage.
- The DataStore object has been completely ripped out. While creating unit
tests for the library I found several substantial bugs with the
implementation and confirmed with Andy Smith that it was never fully
baked.
- Classes are no longer prefixed with OAuth.
- The Request class now extends from dict.
- The library is likely no longer compatible with Python 2.3.
- The Client class works and extends from httplib2. It's a thin wrapper
that handles automatically signing any normal HTTP request you might
wish to make.

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Update Information:

Actually apply patch to fix CVE-2013-4347 (thanks to Jason Green, Matt Wilson).
Fix CVE-2013-4346 and CVE-2013-4347, thanks to Philippe Makowski.
Fix CVE-2013-4346 and CVE-2013-4347, thanks to Philippe Makowski.
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References:

[ 1 ] Bug #1007746 - CVE-2013-4346 python-oauth2: _check_signature() ignores
the nonce value when validating signed urls
https://bugzilla.redhat.com/show_bug.cgi?id=1007746
[ 2 ] Bug #1007758 - CVE-2013-4347 python-oauth2: Uses poor PRNG in nonce
https://bugzilla.redhat.com/show_bug.cgi?id=1007758
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This update can be installed with the "yum" update program. Use
su -c 'yum update python-oauth2' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

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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