<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201206-05"> <title>Asterisk: Multiple vulnerabilities</title> <synopsis>Multiple vulnerabilities in Asterisk might allow remote attackers to execute arbitrary code. </synopsis> <product type="ebuild">Asterisk</product> <announced>2012-06-21</announced> <revised count="1">2012-06-21</revised> <bug>413353</bug> <bug>418189</bug> <bug>418191</bug> <access>remote</access> <affected> <package name="net-misc/asterisk" auto="yes" arch="*"> <unaffected range="ge">1.8.12.1</unaffected> <vulnerable range="lt">1.8.12.1</vulnerable> </package> </affected> <background> <p>Asterisk is an open source telephony engine and toolkit.</p> </background> <description> <p>Multiple vulnerabilities have been found in Asterisk:</p> <ul> <li>An error in manager.c allows shell access through the MixMonitor application, GetVar, or Status (CVE-2012-2414). </li> <li>An error in chan_skinny.c could cause a heap-based buffer overflow (CVE-2012-2415). </li> <li>An error in chan_sip.c prevents Asterisk from checking if a channel exists before connected line updates (CVE-2012-2416). </li> <li>An error in chan_iax2.c may cause an invalid pointer to be called (CVE-2012-2947). </li> <li>chan_skinny.c contains a NULL pointer dereference (CVE-2012-2948).</li> </ul> </description> <impact type="normal"> <p>A remote attacker could 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 Asterisk users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.8.12.1" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2414">CVE-2012-2414</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2415">CVE-2012-2415</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2416">CVE-2012-2416</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2947">CVE-2012-2947</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2948">CVE-2012-2948</uri> </references> <metadata timestamp="2012-04-24T21:44:51Z" tag="requester">ackle</metadata> <metadata timestamp="2012-06-21T00:28:33Z" tag="submitter">ackle</metadata> </glsa>