<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200705-07"> <title>Lighttpd: Two Denials of Service</title> <synopsis> Two vulnerabilities have been discovered in Lighttpd, each allowing for a Denial of Service. </synopsis> <product type="ebuild">lighttpd</product> <announced>2007-05-07</announced> <revised count="01">2007-05-07</revised> <bug>174043</bug> <access>remote</access> <affected> <package name="www-servers/lighttpd" auto="yes" arch="*"> <unaffected range="ge">1.4.14</unaffected> <vulnerable range="lt">1.4.14</vulnerable> </package> </affected> <background> <p> Lighttpd is a lightweight HTTP web server. </p> </background> <description> <p> Robert Jakabosky discovered an infinite loop triggered by a connection abort when Lighttpd processes carriage return and line feed sequences. Marcus Rueckert discovered a NULL pointer dereference when a server running Lighttpd tries to access a file with a mtime of 0. </p> </description> <impact type="normal"> <p> A remote attacker could upload a specially crafted file to the server or send a specially crafted request and then abort the connection, possibly resulting in a crash or a Denial of Service by CPU consumption. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All Lighttpd users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/lighttpd-1.4.14"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1869">CVE-2007-1869</uri> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1870">CVE-2007-1870</uri> </references> <metadata tag="requester" timestamp="2007-04-30T09:09:47Z"> jaervosz </metadata> <metadata tag="bugReady" timestamp="2007-05-01T19:04:44Z"> jaervosz </metadata> <metadata tag="submitter" timestamp="2007-05-06T21:36:16Z"> p-y </metadata> </glsa>