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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="201908-15">
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<title>ZNC: Privilege escalation</title>
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<synopsis>A vulnerability in ZNC allows users to escalate privileges.</synopsis>
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<product type="ebuild">znc</product>
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<announced>2019-08-15</announced>
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<revised count="1">2019-08-15</revised>
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<bug>688152</bug>
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<access>remote</access>
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<affected>
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<package name="net-irc/znc" auto="yes" arch="*">
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<unaffected range="ge">1.7.4_rc1</unaffected>
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<vulnerable range="lt">1.7.4_rc1</vulnerable>
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</package>
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</affected>
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<background>
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<p>ZNC is an advanced IRC bouncer.</p>
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</background>
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<description>
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<p>It was discovered that ZNC’s “Modules.cpp” allows remote
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authenticated non-admin users to escalate privileges.
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</p>
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</description>
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<impact type="normal">
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<p>A remote authenticated attacker could escalate privileges and
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subsequently execute arbitrary code or conduct a Denial of Service
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attack.
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</p>
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</impact>
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<workaround>
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<p>There is no known workaround at this time.</p>
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</workaround>
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<resolution>
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<p>All ZNC users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=net-irc/znc-1.7.4_rc1"
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</code>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-12816">CVE-2019-12816</uri>
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</references>
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<metadata tag="requester" timestamp="2019-08-11T22:44:54Z">b-man</metadata>
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<metadata tag="submitter" timestamp="2019-08-15T15:56:13Z">b-man</metadata>
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</glsa>
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