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gentoo-overlay/metadata/glsa/glsa-200508-16.xml

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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200508-16">
<title>Tor: Information disclosure</title>
<synopsis>
A flaw in Tor leads to the disclosure of information and the loss of
anonymity, integrity and confidentiality.
</synopsis>
<product type="ebuild">tor</product>
<announced>August 25, 2005</announced>
<revised>August 25, 2005: 01</revised>
<bug>102245</bug>
<access>remote</access>
<affected>
<package name="net-misc/tor" auto="yes" arch="*">
<unaffected range="ge">0.1.0.14</unaffected>
<vulnerable range="lt">0.1.0.14</vulnerable>
</package>
</affected>
<background>
<p>
Tor is an implementation of second generation Onion Routing, a
connection-oriented anonymizing communication service.
</p>
</background>
<description>
<p>
The Diffie-Hellman implementation of Tor fails to verify the
cryptographic strength of keys which are used during handshakes.
</p>
</description>
<impact type="low">
<p>
By setting up a malicious Tor server and enticing users to use
this server as first hop, a remote attacker could read and modify all
traffic of the user.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Tor users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-misc/tor-0.1.0.14&quot;</code>
</resolution>
<references>
<uri link="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2643">CAN-2005-2643</uri>
<uri link="http://archives.seul.org/or/announce/Aug-2005/msg00002.html">Tor Security Announcement</uri>
</references>
<metadata tag="requester" timestamp="Tue, 23 Aug 2005 08:23:08 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Tue, 23 Aug 2005 09:42:34 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Tue, 23 Aug 2005 16:08:44 +0000">
DerCorny
</metadata>
</glsa>