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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200606-04">
<title>Tor: Several vulnerabilities</title>
<synopsis>
Tor is vulnerable to a possible buffer overflow, a Denial of Service,
information disclosure and information leak.
</synopsis>
<product type="ebuild">tor</product>
<announced>2006-06-07</announced>
<revised count="02">2006-09-05</revised>
<bug>134329</bug>
<access>remote</access>
<affected>
<package name="net-misc/tor" auto="yes" arch="*">
<unaffected range="ge">0.1.1.20</unaffected>
<unaffected range="rge">0.1.0.18</unaffected>
<vulnerable range="lt">0.1.1.20</vulnerable>
</package>
</affected>
<background>
<p>
Tor is an implementation of second generation Onion Routing, a
connection-oriented anonymizing communication service.
</p>
</background>
<description>
<p>
Some integer overflows exist when adding elements to the smartlists.
Non-printable characters received from the network are not properly
sanitised before being logged. There are additional unspecified bugs in
the directory server and in the internal circuits.
</p>
</description>
<impact type="normal">
<p>
The possible buffer overflow may allow a remote attacker to execute
arbitrary code on the server by sending large inputs. The other
vulnerabilities can lead to a Denial of Service, a lack of logged
information, or some information disclosure.
</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 net-misc/tor</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0414">CVE-2006-0414</uri>
<uri link="https://tor.eff.org/cvs/tor/ChangeLog">Tor ChangeLog</uri>
</references>
<metadata tag="requester" timestamp="2006-06-01T07:05:28Z">
falco
</metadata>
<metadata tag="submitter" timestamp="2006-06-01T17:37:03Z">
falco
</metadata>
<metadata tag="bugReady" timestamp="2006-06-05T17:15:10Z">
falco
</metadata>
</glsa>