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76 lines
2.7 KiB
76 lines
2.7 KiB
<?xml version="1.0" encoding="utf-8"?>
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<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
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<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="200701-28">
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<title>thttpd: Unauthenticated remote file access</title>
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<synopsis>
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The default configuration of the Gentoo thttpd package potentially allows
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unauthenticated access to system files when used with newer versions of
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baselayout.
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</synopsis>
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<product type="ebuild">thttpd</product>
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<announced>January 31, 2007</announced>
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<revised>March 11, 2007: 02</revised>
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<bug>142047</bug>
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<access>remote</access>
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<affected>
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<package name="www-servers/thttpd" auto="yes" arch="*">
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<unaffected range="ge">2.25b-r6</unaffected>
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<vulnerable range="lt">2.25b-r6</vulnerable>
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</package>
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</affected>
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<background>
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<p>
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thttpd is a webserver designed to be simple, small, and fast.
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</p>
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</background>
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<description>
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<p>
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thttpd is vulnerable to an underlying change made to the
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start-stop-daemon command in the current stable Gentoo baselayout
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package (version 1.12.6). In the new version, the start-stop-daemon
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command performs a "chdir /" command just before starting the thttpd
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process. In the Gentoo default configuration, this causes thttpd to
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start with the document root set to "/", the sytem root directory.
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</p>
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</description>
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<impact type="low">
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<p>
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When thttpd starts with the document root set to the system root
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directory, all files on the system that are readable by the thttpd
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process can be remotely accessed by unauthenticated users.
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</p>
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</impact>
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<workaround>
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<p>
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Alter the THTTPD_OPTS variable in /etc/conf.d/thttpd to include the
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"-d" option to specify the document root. Alternatively, modify the
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THTTPD_OPTS variable in /etc/conf.d/thttpd to specify a thttpd.conf
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file using the "-C" option, and then configure the "dir=" directive in
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that thttpd.conf file.
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</p>
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</workaround>
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<resolution>
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<p>
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All thttpd users should upgrade to the latest version:
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</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=www-servers/thttpd-2.25b-r5"</code>
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</resolution>
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<references>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0664">CVE-2007-0664</uri>
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</references>
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<metadata tag="requester" timestamp="Fri, 26 Jan 2007 12:41:44 +0000">
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shellsage
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</metadata>
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<metadata tag="submitter" timestamp="Sat, 27 Jan 2007 17:49:26 +0000">
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aetius
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</metadata>
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<metadata tag="bugReady" timestamp="Wed, 31 Jan 2007 21:45:13 +0000">
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falco
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</metadata>
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</glsa>
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