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Sicherheit: Zwei Probleme in Tor
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Tor
ID: FEDORA-2015-4478
Distribution: Fedora
Plattformen: Fedora 20
Datum: So, 5. April 2015, 19:43
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2688
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2689

Originalnachricht

Name        : tor
Product : Fedora 20
Version : 0.2.5.11
Release : 1.fc20
URL : https://www.torproject.org
Summary : Anonymizing overlay network for TCP (The onion router)
Description :
Tor is a connection-based low-latency anonymous communication system.

Applications connect to the local Tor proxy using the SOCKS protocol. The
local proxy chooses a path through a set of relays, in which each relay
knows its predecessor and successor, but no others. Traffic flowing down
the circuit is unwrapped by a symmetric key at each relay, which reveals
the downstream relay.

Warnings: Tor does no protocol cleaning. That means there is a danger
that application protocols and associated programs can be induced to
reveal information about the initiator. Tor depends on Privoxy and
similar protocol cleaners to solve this problem. This is alpha code,
and is even more likely than released code to have anonymity-spoiling
bugs. The present network is very small -- this further reduces the
strength of the anonymity provided. Tor is not presently suitable for
high-stakes anonymity.

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Update Information:

Update to upstream release 0.2.5.11.
-------------------------------------------------------------------------------
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ChangeLog:

* Mon Mar 23 2015 Jamie Nguyen <jamielinux@fedoraproject.org> -
0.2.5.11-1
- update to upstream release 0.2.5.11
* Mon Oct 27 2014 Jamie Nguyen <jamielinux@fedoraproject.org> -
0.2.5.10-1
- update to upstream release 0.2.5.10
* Wed Oct 22 2014 Jamie Nguyen <jamielinux@fedoraproject.org> -
0.2.4.25-1
- update to upstream release 0.2.4.25
* Tue Sep 23 2014 Jamie Nguyen <jamielinux@fedoraproject.org> -
0.2.4.24-1
- update to upstream release 0.2.4.24
* Mon Aug 18 2014 Fedora Release Engineering
<rel-eng@lists.fedoraproject.org> - 0.2.4.23-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild
* Thu Jul 31 2014 Jamie Nguyen <jamielinux@fedoraproject.org> -
0.2.4.23-1
- update to upstream release 0.2.4.23
- CVE-2014-5117: potential for traffic-confirmation attacks
* Sun Jun 8 2014 Fedora Release Engineering
<rel-eng@lists.fedoraproject.org> - 0.2.4.22-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
* Mon May 19 2014 Jamie Nguyen <jamielinux@fedoraproject.org> -
0.2.4.22-1
- update to upstream release 0.2.4.22
* Wed Mar 26 2014 Jamie Nguyen <jamielinux@fedoraproject.org> -
0.2.4.21-2
- remove `--quiet` from default systemd service file
* Tue Mar 25 2014 Jamie Nguyen <jamielinux@fedoraproject.org> -
0.2.4.21-1
- update to upstream release 0.2.4.21
- remove crazy Release numbering
- remove Obsoletes/Provides that were introduced in F19
- remove tor-tsocks.conf which has been removed completely upstream
- include new file: _datadir/tor/geoip6
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References:

[ 1 ] Bug #1204773 - CVE-2015-2688 CVE-2015-2689 tor: security fixes in
0.2.4.26 and 0.2.5.11
https://bugzilla.redhat.com/show_bug.cgi?id=1204773
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This update can be installed with the "yum" update program. Use
su -c 'yum update tor' 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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