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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200711-02">
<title>OpenSSH: Security bypass</title>
<synopsis>
A flaw has been discovered in OpenSSH which could allow a local attacker to
bypass security restrictions.
</synopsis>
<product type="ebuild">openssh</product>
<announced>2007-11-01</announced>
<revised>2007-11-01: 01</revised>
<bug>191321</bug>
<access>remote</access>
<affected>
<package name="net-misc/openssh" auto="yes" arch="*">
<unaffected range="ge">4.7</unaffected>
<vulnerable range="lt">4.7</vulnerable>
</package>
</affected>
<background>
<p>
OpenSSH is a complete SSH protocol implementation that includes an SFTP
client and server support.
</p>
</background>
<description>
<p>
Jan Pechanec discovered that OpenSSH uses a trusted X11 cookie when it
cannot create an untrusted one.
</p>
</description>
<impact type="low">
<p>
An attacker could bypass the SSH client security policy and gain
privileges by causing an X client to be treated as trusted.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All OpenSSH users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/openssh-4.7"</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4752">CVE-2007-4752</uri>
</references>
<metadata tag="requester" timestamp="2007-09-25T19:38:10Z">
jaervosz
</metadata>
<metadata tag="bugReady" timestamp="2007-09-25T19:38:18Z">
jaervosz
</metadata>
<metadata tag="submitter" timestamp="2007-09-28T12:20:41Z">
p-y
</metadata>
</glsa>
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