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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="202105-25">
+ <title>OpenVPN: Authentication bypass</title>
+ <synopsis>A vulnerability has been found in OpenVPN, allowing attackers to
+ bypass the authentication process.
+ </synopsis>
+ <product type="ebuild">openvpn</product>
+ <announced>2021-05-26</announced>
+ <revised count="1">2021-05-26</revised>
+ <bug>785115</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-vpn/openvpn" auto="yes" arch="*">
+ <unaffected range="ge">2.5.2</unaffected>
+ <vulnerable range="lt">2.5.2</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>OpenVPN is a multi-platform, full-featured SSL VPN solution.</p>
+ </background>
+ <description>
+ <p>It was discovered that OpenVPN incorrectly handled deferred
+ authentication.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>A remote attacker could bypass authentication and access control channel
+ data and trigger further information leaks.
+ </p>
+ </impact>
+ <workaround>
+ <p>Configure OpenVPN server to not use deferred authentication.</p>
+ </workaround>
+ <resolution>
+ <p>All OpenVPN users should upgrade to the latest version:</p>
+
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=net-vpn/openvpn-2.5.2"
+ </code>
+
+ </resolution>
+ <references>
+ <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-15078">CVE-2020-15078</uri>
+ </references>
+ <metadata tag="requester" timestamp="2021-05-24T01:22:05Z">whissi</metadata>
+ <metadata tag="submitter" timestamp="2021-05-26T09:30:05Z">whissi</metadata>
+</glsa>