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diff --git a/glsa-201001-01.xml b/glsa-201001-01.xml new file mode 100644 index 000000000000..9063161fa870 --- /dev/null +++ b/glsa-201001-01.xml @@ -0,0 +1,68 @@ +<?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="201001-01"> + <title>NTP: Denial of Service</title> + <synopsis> + A Denial of Service condition in ntpd can cause excessive CPU or bandwidth + consumption. + </synopsis> + <product type="ebuild">ntp</product> + <announced>January 03, 2010</announced> + <revised>January 03, 2010: 01</revised> + <bug>290881</bug> + <access>remote</access> + <affected> + <package name="net-misc/ntp" auto="yes" arch="*"> + <unaffected range="ge">4.2.4_p7-r1</unaffected> + <vulnerable range="lt">4.2.4_p7-r1</vulnerable> + </package> + </affected> + <background> + <p> + NTP is a set of the Network Time Protocol programs. + </p> + </background> + <description> + <p> + Robin Park and Dmitri Vinokurov discovered that ntp_request.c in ntpd + does not handle MODE_PRIVATE packets correctly, causing a continuous + exchange of MODE_PRIVATE error responses between two NTP daemons or + causing high CPU load on a single host. + </p> + </description> + <impact type="normal"> + <p> + A remote, unauthenticated attacker could send a specially crafted + MODE_PRIVATE packet, allowing for a Denial of Service condition (CPU + and bandwidth consumption). + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All NTP users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-misc/ntp-4.2.4_p7-r1"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3563">CVE-2009-3563</uri> + </references> + <metadata tag="requester" timestamp="Thu, 10 Dec 2009 20:02:44 +0000"> + craig + </metadata> + <metadata tag="submitter" timestamp="Wed, 30 Dec 2009 15:53:37 +0000"> + craig + </metadata> + <metadata tag="bugReady" timestamp="Sun, 03 Jan 2010 00:05:58 +0000"> + craig + </metadata> +</glsa> |