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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201507-02">
<title>Tor: Denial of Service</title>
<synopsis>Two vulnerabilities have been found in Tor, the worst of which can
allow remote attackers to cause a Denial of Service condition.
</synopsis>
<product type="ebuild">tor</product>
<announced>July 06, 2015</announced>
<revised>July 06, 2015: 1</revised>
<bug>545940</bug>
<access>remote</access>
<affected>
<package name="net-misc/tor" auto="yes" arch="*">
<unaffected range="ge">0.2.6.7</unaffected>
<vulnerable range="lt">0.2.6.7</vulnerable>
</package>
</affected>
<background>
<p>Tor is an implementation of second generation Onion Routing, a
connection-oriented anonymizing communication service.
</p>
</background>
<description>
<p>Tor does not handle data correctly when specifically crafted data is
sent, and also fails to properly verify a descriptor provided by a hidden
service directory.
</p>
</description>
<impact type="normal">
<p>A remote attacker could cause a Denial of Service condition in both a
Tor client or a Tor server.
</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 "&gt;=net-misc/tor-0.2.6.7"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2928">CVE-2015-2928</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2929">CVE-2015-2929</uri>
<uri link="https://blog.torproject.org/blog/tor-02512-and-0267-are-released">
Upstream announcement
</uri>
</references>
<metadata tag="requester" timestamp="Tue, 30 Jun 2015 22:21:11 +0000">
keytoaster
</metadata>
<metadata tag="submitter" timestamp="Mon, 06 Jul 2015 19:00:59 +0000">stanley</metadata>
</glsa>