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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201611-10">
<title>libuv: Privilege escalation</title>
<synopsis>A vulnerability in libuv could lead to privilege escalation.</synopsis>
<product type="ebuild"></product>
<announced>November 17, 2016</announced>
<revised>November 17, 2016: 1</revised>
<bug>540826</bug>
<access>local, remote</access>
<affected>
<package name="dev-libs/libuv" auto="yes" arch="*">
<unaffected range="ge">1.4.2</unaffected>
<vulnerable range="lt">1.4.2</vulnerable>
</package>
</affected>
<background>
<p>libuv is a multi-platform support library with a focus on asynchronous
I/O.
</p>
</background>
<description>
<p>It was discovered that libuv does not call setgroups before calling
setuid/setgid. If this is not called, then even though the uid has been
dropped, there may still be groups associated that permit superuser
privileges.
</p>
</description>
<impact type="normal">
<p>Context-dependent attackers could escalate privileges via unspecified
vectors.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All libuv users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --verbose --oneshot ">=dev-libs/libuv-1.4.2"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0278">CVE-2015-0278</uri>
</references>
<metadata tag="requester" timestamp="Thu, 17 Nov 2016 08:33:56 +0000">b-man</metadata>
<metadata tag="submitter" timestamp="Thu, 17 Nov 2016 10:08:59 +0000">b-man</metadata>
</glsa>
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