<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="202006-21"> <title>Apache Tomcat: Remote code execution</title> <synopsis>A vulnerability has been discovered in Apache Tomcat which could result in the arbitrary execution of code. </synopsis> <product type="ebuild">tomcat</product> <announced>2020-06-15</announced> <revised count="1">2020-06-15</revised> <bug>724344</bug> <access>remote</access> <affected> <package name="www-servers/tomcat" auto="yes" arch="*"> <unaffected range="ge" slot="7">7.0.104</unaffected> <unaffected range="ge" slot="8.5">8.5.55</unaffected> <vulnerable range="lt" slot="7">7.0.104</vulnerable> <vulnerable range="lt" slot="8.5">8.5.55</vulnerable> </package> </affected> <background> <p>Apache Tomcat is a Servlet-3.0/JSP-2.2 Container.</p> </background> <description> <p>Apache Tomcat improperly handles deserialization of files under specific circumstances. </p> </description> <impact type="normal"> <p>A remote attacker could possibly execute arbitrary code with the privileges of the process, or cause a Denial of Service condition. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All Apache Tomcat 7.x users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/tomcat-7.0.104" </code> <p>All Apache Tomcat 8.x users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/tomcat-8.5.55" </code> </resolution> <references> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-9484">CVE-2020-9484</uri> <uri link="https://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.104"> Upstream advisory (7) </uri> <uri link="https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.55"> Upstream advisory (8.5) </uri> </references> <metadata tag="requester" timestamp="2020-05-25T12:42:10Z">sam_c</metadata> <metadata tag="submitter" timestamp="2020-06-15T15:55:34Z">sam_c</metadata> </glsa>