<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201606-07"> <title>dhcpcd: Multiple vulnerabilities</title> <synopsis>Multiple vulnerabilities have been found in dhcpcd allowing remote attackers to possibly execute arbitrary code or cause a Denial of Service. </synopsis> <product type="ebuild"></product> <announced>June 18, 2016</announced> <revised>June 18, 2016: 2</revised> <bug>571152</bug> <access>remote</access> <affected> <package name="net-misc/dhcpcd" auto="yes" arch="*"> <unaffected range="ge">6.10.0</unaffected> <vulnerable range="lt">6.10.0</vulnerable> </package> </affected> <background> <p>A fully featured, yet light weight RFC2131 compliant DHCP client</p> </background> <description> <p>A heap overflow can be triggered via malformed DHCP responses in the print_option (via dhcp_envoption1) due to incorrect option length values. These vulnerabilities could also allow remote attackers to trigger an invalid read/crash via malformed DHCP responses. </p> </description> <impact type="normal"> <p>Remote attackers could possibly execute arbitrary code with the privileges of the process or cause Denial of Service. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All dhcpcd users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/dhcpcd-6.10.0” </code> </resolution> <references> <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1503">CVE-2016-1503</uri> <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1504">CVE-2016-1504</uri> </references> <metadata tag="requester" timestamp="Mon, 08 Feb 2016 20:32:46 +0000">K_F</metadata> <metadata tag="submitter" timestamp="Sat, 18 Jun 2016 19:11:50 +0000">b-man</metadata> </glsa>