<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="202003-20"> <title>systemd: Heap use-after-free</title> <synopsis>A heap use-after-free flaw in systemd at worst might allow an attacker to execute arbitrary code. </synopsis> <product type="ebuild">systemd</product> <announced>2020-03-15</announced> <revised count="1">2020-03-15</revised> <bug>708806</bug> <access>local</access> <affected> <package name="sys-apps/systemd" auto="yes" arch="*"> <unaffected range="ge">244.3</unaffected> <vulnerable range="lt">244.3</vulnerable> </package> </affected> <background> <p>A system and service manager.</p> </background> <description> <p>It was found that systemd incorrectly handled certain Polkit queries.</p> </description> <impact type="high"> <p>A local unprivileged user, by sending a specially crafted Polkit query, could possibly execute arbitrary code with the privileges of the process, escalate privileges or cause a Denial of Service condition. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All systemd users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/systemd-244.3" </code> </resolution> <references> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-1712">CVE-2020-1712</uri> </references> <metadata tag="requester" timestamp="2020-03-15T03:18:50Z">whissi</metadata> <metadata tag="submitter" timestamp="2020-03-15T03:26:30Z">whissi</metadata> </glsa>