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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="200409-05">
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<title>Gallery: Arbitrary command execution</title>
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<synopsis>
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The Gallery image upload code contains a temporary file handling
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vulnerability which could lead to execution of arbitrary commands.
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</synopsis>
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<product type="ebuild">Gallery</product>
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<announced>2004-09-02</announced>
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<revised count="02">2006-05-22</revised>
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<bug>60742</bug>
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<access>remote</access>
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<affected>
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<package name="www-apps/gallery" auto="yes" arch="*">
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<unaffected range="ge">1.4.4_p2</unaffected>
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<vulnerable range="lt">1.4.4_p2</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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Gallery is a PHP script for maintaining online photo albums.
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</p>
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</background>
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<description>
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<p>
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The upload handling code in Gallery places uploaded files in a
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temporary directory. After 30 seconds, these files are deleted if they
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are not valid images. However, since the file exists for 30 seconds, a
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carefully crafted script could be initiated by the remote attacker
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during this 30 second timeout. Note that the temporary directory has to
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be located inside the webroot and an attacker needs to have upload
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rights either as an authenticated user or via "EVERYBODY".
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</p>
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</description>
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<impact type="normal">
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<p>
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An attacker could run arbitrary code as the user running PHP.
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</p>
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</impact>
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<workaround>
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<p>
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There are several workarounds to this vulnerability:
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</p>
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<ul>
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<li>Make sure that your temporary directory is not contained in the
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webroot; by default it is located outside the webroot.</li>
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<li>Disable upload rights to all albums for "EVERYBODY"; upload is
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disabled by default.</li>
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<li>Disable debug and dev mode; these settings are disabled by
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default.</li>
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<li>Disable allow_url_fopen in php.ini.</li>
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</ul>
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</workaround>
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<resolution>
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<p>
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All Gallery 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 -pv ">=www-apps/gallery-1.4.4_p2"
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# emerge ">=www-apps/gallery-1.4.4_p2"</code>
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</resolution>
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<references>
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<uri link="http://archives.neohapsis.com/archives/fulldisclosure/2004-08/0757.html">Full Disclosure Announcement</uri>
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<uri link="http://gallery.menalto.com/modules.php?op=modload&name=News&file=article&sid=134&mode=thread&order=0&thold=0">Gallery Announcement</uri>
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<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1466">CVE-2004-1466</uri>
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</references>
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<metadata tag="requester" timestamp="2004-08-22T09:02:45Z">
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jaervosz
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</metadata>
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<metadata tag="submitter" timestamp="2004-08-25T23:33:36Z">
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chriswhite
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</metadata>
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</glsa>
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