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Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200610-15.xml')
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diff --git a/xml/htdocs/security/en/glsa/glsa-200610-15.xml b/xml/htdocs/security/en/glsa/glsa-200610-15.xml new file mode 100644 index 00000000..629b6000 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200610-15.xml @@ -0,0 +1,81 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200610-15"> + <title>Asterisk: Multiple vulnerabilities</title> + <synopsis> + Asterisk is vulnerable to the remote execution of arbitrary code or a + Denial of Service. + </synopsis> + <product type="ebuild">asterisk</product> + <announced>October 30, 2006</announced> + <revised>January 30, 2007: 02</revised> + <bug>144941</bug> + <bug>151881</bug> + <access>remote</access> + <affected> + <package name="net-misc/asterisk" auto="yes" arch="*"> + <unaffected range="ge">1.2.13</unaffected> + <unaffected range="rge">1.0.12</unaffected> + <vulnerable range="lt">1.2.13</vulnerable> + <vulnerable range="lt">1.0.12</vulnerable> + </package> + </affected> + <background> + <p> + Asterisk is an open source implementation of a telephone private branch + exchange (PBX). + </p> + </background> + <description> + <p> + Asterisk contains buffer overflows in channels/chan_mgcp.c from the + MGCP driver and in channels/chan_skinny.c from the Skinny channel + driver for Cisco SCCP phones. It also dangerously handles + client-controlled variables to determine filenames in the Record() + function. Finally, the SIP channel driver in channels/chan_sip.c could + use more resources than necessary under unspecified circumstances. + </p> + </description> + <impact type="high"> + <p> + A remote attacker could execute arbitrary code by sending a crafted + audit endpoint (AUEP) response, by sending an overly large Skinny + packet even before authentication, or by making use of format strings + specifiers through the client-controlled variables. An attacker could + also cause a Denial of Service by resource consumption through the SIP + channel driver. + </p> + </impact> + <workaround> + <p> + There is no known workaround for the format strings vulnerability at + this time. You can comment the lines in /etc/asterisk/mgcp.conf, + /etc/asterisk/skinny.conf and /etc/asterisk/sip.conf to deactivate the + three vulnerable channel drivers. Please note that the MGCP channel + driver is disabled by default. + </p> + </workaround> + <resolution> + <p> + All Asterisk users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.2.13"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4345">CVE-2006-4345</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4346">CVE-2006-4346</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5444">CVE-2006-5444</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5445">CVE-2006-5445</uri> + </references> + <metadata tag="submitter" timestamp="Wed, 18 Oct 2006 20:57:57 +0000"> + falco + </metadata> + <metadata tag="bugReady" timestamp="Sat, 21 Oct 2006 20:37:32 +0000"> + falco + </metadata> +</glsa> |