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