62 lines
1.8 KiB
XML
62 lines
1.8 KiB
XML
<?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="200903-24">
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<title>Shadow: Privilege escalation</title>
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<synopsis>
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An insecure temporary file usage in Shadow may allow local users to gain
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root privileges.
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</synopsis>
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<product type="ebuild">shadow</product>
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<announced>2009-03-10</announced>
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<revised count="01">2009-03-10</revised>
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<bug>251320</bug>
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<access>local</access>
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<affected>
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<package name="sys-apps/shadow" auto="yes" arch="*">
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<unaffected range="ge">4.1.2.2</unaffected>
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<vulnerable range="lt">4.1.2.2</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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Shadow is a set of tools to deal with user accounts.
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</p>
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</background>
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<description>
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<p>
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Paul Szabo reported a race condition in the "login" executable when
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setting up tty permissions.
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</p>
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</description>
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<impact type="high">
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<p>
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A local attacker belonging to the "utmp" group could use symlink
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attacks to overwrite arbitrary files and possibly gain root privileges.
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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.
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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 Shadow 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 ">=sys-apps/shadow-4.1.2.2"</code>
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</resolution>
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<references>
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<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5394">CVE-2008-5394</uri>
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</references>
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<metadata tag="requester" timestamp="2009-02-12T19:41:17Z">
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craig
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</metadata>
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<metadata tag="submitter" timestamp="2009-03-08T19:05:06Z">
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p-y
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</metadata>
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<metadata tag="bugReady" timestamp="2009-03-08T19:05:15Z">
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p-y
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</metadata>
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</glsa>
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