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86 lines
3.2 KiB
86 lines
3.2 KiB
13 years ago
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<?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="200501-39">
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<title>SquirrelMail: Multiple vulnerabilities</title>
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<synopsis>
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SquirrelMail fails to properly sanitize user input, which could lead to
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arbitrary code execution and compromise webmail accounts.
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</synopsis>
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<product type="ebuild">SquirrelMail</product>
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<announced>January 28, 2005</announced>
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<revised>January 28, 2005: 01</revised>
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<bug>78116</bug>
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<access>remote</access>
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<affected>
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<package name="mail-client/squirrelmail" auto="yes" arch="*">
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<unaffected range="ge">1.4.4</unaffected>
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<vulnerable range="le">1.4.3a-r2</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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SquirrelMail is a webmail package written in PHP. It supports IMAP
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and SMTP and can optionally be installed with SQL support.
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</p>
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</background>
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<description>
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<p>
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SquirrelMail fails to properly sanitize certain strings when
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decoding specially-crafted strings, which can lead to PHP file
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inclusion and XSS.
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</p>
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<ul>
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<li>Insufficient checking of incoming URLs
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in prefs.php (CAN-2005-0075) and in webmail.php (CAN-2005-0103).</li>
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<li>Insufficient escaping of integers in webmail.php
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(CAN-2005-0104).</li>
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</ul>
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</description>
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<impact type="high">
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<p>
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By sending a specially-crafted URL, an attacker can execute
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arbitrary code from the local system with the permissions of the web
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server. Furthermore by enticing a user to load a specially-crafted URL,
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it is possible to display arbitrary remote web pages in Squirrelmail's
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frameset and execute arbitrary scripts running in the context of the
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victim's browser. This could lead to a compromise of the user's webmail
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account, cookie theft, etc.
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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 arbitrary code execution is only possible with
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"register_globals" set to "On". Gentoo ships PHP with
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"register_globals" set to "Off" by default. There are no known
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workarounds for the other issues at this time.
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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 SquirrelMail 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 ">=mail-client/squirrelmail-1.4.4"</code>
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<p>
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Note: Users with the vhosts USE flag set should manually use
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webapp-config to finalize the update.
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</p>
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</resolution>
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<references>
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<uri link="http://sourceforge.net/mailarchive/message.php?msg_id=10628451">SquirrelMail Advisory</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0075">CAN-2005-0075</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0103">CAN-2005-0103</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0104">CAN-2005-0104</uri>
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</references>
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<metadata tag="submitter" timestamp="Tue, 25 Jan 2005 17:32:40 +0000">
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jaervosz
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</metadata>
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<metadata tag="bugReady" timestamp="Fri, 28 Jan 2005 10:51:51 +0000">
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koon
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</metadata>
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</glsa>
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