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54 lines
1.7 KiB
54 lines
1.7 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="201709-20">
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<title>Postfix: Privilege escalation</title>
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<synopsis>A vulnerability in Postfix may allow local users to gain root
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privileges.
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</synopsis>
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<product type="ebuild">postfix</product>
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<announced>2017-09-24</announced>
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<revised count="1">2017-09-24</revised>
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<bug>621882</bug>
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<access>local</access>
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<affected>
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<package name="mail-mta/postfix" auto="yes" arch="*">
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<unaffected range="ge">3.1.6</unaffected>
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<vulnerable range="lt">3.1.6</vulnerable>
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</package>
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</affected>
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<background>
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<p>Postfix is a mail server and an alternative to the widely-used Sendmail
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program.
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</p>
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</background>
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<description>
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<p>By default, Berkeley DB reads a DB_CONFIG configuration file from the
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current working directory. This is an undocumented behavior.
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</p>
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</description>
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<impact type="high">
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<p>A local attacker, by using a specially crafted DG_CONFIG file, could
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possibly escalate privileges to the root group.
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</p>
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</impact>
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<workaround>
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<p>There is no known workaround at this time.</p>
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</workaround>
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<resolution>
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<p>All Postfix users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=mail-mta/postfix-3.1.6"
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</code>
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</resolution>
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<references>
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<uri link="https://www.postfix.org/announcements/postfix-3.2.2.html">Postfix
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Official Announce
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</uri>
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</references>
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<metadata tag="requester" timestamp="2017-09-21T15:43:52Z">chrisadr</metadata>
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<metadata tag="submitter" timestamp="2017-09-24T15:51:13Z">chrisadr</metadata>
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</glsa>
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