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65 lines
2.3 KiB
65 lines
2.3 KiB
<?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="200402-04">
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<title>Gallery 1.4.1 and below remote exploit vulnerability</title>
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<synopsis>
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The Gallery developers have discovered a potentially serious security flaw
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in Gallery 1.3.1, 1.3.2, 1.3.3, 1.4 and 1.4.1 which can allow a
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remote exploit of your webserver.
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</synopsis>
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<product type="ebuild">Gallery</product>
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<announced>2004-02-11</announced>
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<revised count="01">2004-02-11</revised>
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<bug>39638</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">1.4.1_p1</unaffected>
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<vulnerable range="lt">1.4.1_p1</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 an open source image management system written in PHP.
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More information is available at http://gallery.sourceforge.net
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</p>
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</background>
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<description>
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<p>
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Starting in the 1.3.1 release, Gallery includes code to simulate the behaviour
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of the PHP 'register_globals' variable in environments where that setting
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is disabled. It is simulated by extracting the values of the various
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$HTTP_ global variables into the global namespace.
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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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A crafted URL such as
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http://example.com/gallery/init.php?HTTP_POST_VARS=xxx causes the
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'register_globals' simulation code to overwrite the $HTTP_POST_VARS which,
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when it is extracted, will deliver the given payload. If the
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payload compromises $GALLERY_BASEDIR then the malicious user can perform a
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PHP injection exploit and gain remote access to the webserver with PHP
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user UID access rights.
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</p>
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</impact>
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<workaround>
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<p>
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The workaround for the vulnerability is to replace init.php and
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setup/init.php with the files in the following ZIP file:
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http://prdownloads.sourceforge.net/gallery/patch_1.4.1-to-1.4.1-pl1.zip?download
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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 users are encouraged to upgrade their gallery installation:
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</p>
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<code>
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# emerge sync
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# emerge -p ">=www-apps/gallery-1.4.1_p1"
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# emerge ">=www-apps/gallery-1.4.1_p1"</code>
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</resolution>
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<references>
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</references>
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</glsa>
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