U radu programskog paketa Tor uočena su dva nova sigurnosna propusta. Udaljeni napadač može ih iskoristiti za pregled osjetljivih podataka te dobivanje većih ovlasti.

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Fedora Update Notification
FEDORA-2011-15208
2011-11-01 01:22:20
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Name        : tor
Product     : Fedora 16
Version     : 0.2.2.34
Release     : 1600.fc16
URL         : http://tor.eff.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:

.
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ChangeLog:

* Fri Oct 28 2011 Enrico Scholz <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> -=
 0.2.2.34-1600
- updated to 0.2.2.34; critical privacy/anonymity fixes
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References:

  [ 1 ] Bug #749839 - CVE-2011-2768 CVE-2011-2769 tor: multiple flaws corre=
cted in 0.2.2.34
        https://bugzilla.redhat.com/show_bug.cgi?id=3D749839
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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 t=
he
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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