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70 lines
2.4 KiB
70 lines
2.4 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="200406-16">
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<title>Apache 1.3: Buffer overflow in mod_proxy</title>
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<synopsis>
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A bug in mod_proxy may allow a remote attacker to execute arbitrary code
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when Apache is configured a certain way.
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</synopsis>
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<product type="ebuild">Apache</product>
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<announced>June 21, 2004</announced>
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<revised>December 30, 2007: 02</revised>
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<bug>53544</bug>
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<access>remote</access>
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<affected>
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<package name="www-servers/apache" auto="yes" arch="*">
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<unaffected range="ge">1.3.31-r2</unaffected>
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<vulnerable range="le">1.3.31-r1</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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The Apache HTTP Server Project is an effort to develop and maintain an
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open-source HTTP server for modern operating systems. The goal of this
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project is to provide a secure, efficient and extensible server that
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provides services in tune with the current HTTP standards.
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</p>
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</background>
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<description>
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<p>
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A bug in the proxy_util.c file may lead to a remote buffer overflow. To
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trigger the vulnerability an attacker would have to get mod_proxy to
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connect to a malicous server which returns an invalid (negative)
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Content-Length.
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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 cause a Denial of Service as the Apache child handling
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the request, which will die and under some circumstances execute arbitrary
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code as the user running Apache, usually "apache".
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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 is no known workaround at this time. All users are encouraged to
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upgrade to the latest available version:
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</p>
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</workaround>
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<resolution>
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<p>
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Apache 1.x users should upgrade to the latest version of Apache:
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</p>
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<code>
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# emerge sync
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# emerge -pv ">=www-servers/apache-1.3.31-r2"
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# emerge ">=www-servers/apache-1.3.31-r2"</code>
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</resolution>
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<references>
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<uri link="http://www.guninski.com/modproxy1.html">Georgi Guninski security advisory #69, 2004</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0492">CAN-2004-0492</uri>
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</references>
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<metadata tag="submitter">
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jaervosz
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</metadata>
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</glsa>
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