51 lines
1.8 KiB
XML
51 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="202008-23">
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<title>chrony: Symlink vulnerability</title>
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<synopsis>A vulnerability in chrony may allow a privileged attacker to cause
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data loss via a symlink.
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</synopsis>
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<product type="ebuild">chrony</product>
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<announced>2020-08-30</announced>
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<revised count="1">2020-08-30</revised>
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<bug>738154</bug>
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<access>local</access>
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<affected>
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<package name="net-misc/chrony" auto="yes" arch="*">
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<unaffected range="ge">3.5.1</unaffected>
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<vulnerable range="lt">3.5.1</vulnerable>
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</package>
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</affected>
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<background>
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<p>chrony is a versatile implementation of the Network Time Protocol (NTP).</p>
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</background>
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<description>
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<p>It was found that chrony did not check whether its PID file was a
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symlink.
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</p>
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</description>
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<impact type="normal">
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<p>A local attacker could perform symlink attack(s) to overwrite arbitrary
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files with root privileges.
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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 chrony 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 ">=net-misc/chrony-3.5.1"
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</code>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-14367">CVE-2020-14367</uri>
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<uri link="https://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2020/08/msg00000.html">
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chrony-3.5.1 release announcement
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</uri>
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</references>
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<metadata tag="requester" timestamp="2020-08-25T23:32:37Z">sam_c</metadata>
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<metadata tag="submitter" timestamp="2020-08-30T21:09:20Z">sam_c</metadata>
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</glsa>
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