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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id= "201808-02" >
<title > LinuX Containers user space utilities: Arbitrary file read</title>
<synopsis > A vulnerability has been found in LXC which may allow for arbitrary
file access (read-only).
</synopsis>
<product type= "ebuild" > lxc</product>
<announced > 2018-08-22</announced>
<revised count= "3" > 2018-10-17</revised>
<bug > 662780</bug>
<access > local</access>
<affected >
<package name= "app-emulation/lxc" auto= "yes" arch= "*" >
<unaffected range= "ge" > 2.1.1-r1</unaffected>
<vulnerable range= "lt" > 2.1.1-r1</vulnerable>
</package>
</affected>
<background >
<p > LinuX Containers user space utilities.</p>
</background>
<description >
<p > lxc-user-nic when asked to delete a network interface will
unconditionally open a user provided path. This code path may be used by
an unprivileged user to check for the existence of a path which they
wouldn’
</p>
</description>
<impact type= "low" >
<p > A local unprivileged user could use this flaw to access arbitrary files,
including special device files.
</p>
</impact>
<workaround >
<p > There is no known workaround at this time.</p>
</workaround>
<resolution >
<p > All LXC users should upgrade to the latest version:</p>
<code >
# emerge --sync
# emerge --ask --oneshot --verbose "> =app-emulation/lxc-2.1.1-r1"
</code>
</resolution>
<references >
<uri link= "https://nvd.nist.gov/vuln/detail/CVE-2018-6556" > CVE-2018-6556</uri>
</references>
<metadata tag= "requester" timestamp= "2018-08-13T17:16:02Z" > irishluck83</metadata>
<metadata tag= "submitter" timestamp= "2018-10-17T23:09:04Z" > Zlogene</metadata>
</glsa>
