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<?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="201801-06">
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<title>Back In Time: Command injection</title>
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<synopsis>A command injection vulnerability in 'Back in Time' may allow for
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the execution of arbitrary shell commands.
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</synopsis>
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<product type="ebuild">backintime</product>
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<announced>2018-01-07</announced>
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<revised count="1">2018-01-07</revised>
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<bug>636974</bug>
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<access>local, remote</access>
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<affected>
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<package name="app-backup/backintime" auto="yes" arch="*">
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<unaffected range="ge">1.1.24</unaffected>
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<vulnerable range="lt">1.1.24</vulnerable>
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</package>
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</affected>
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<background>
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<p>A simple backup tool for Linux, inspired by “flyback project”.</p>
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</background>
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<description>
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<p>‘Back in Time’ did improper escaping/quoting of file paths used as
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arguments to the ‘notify-send’ command leading to some parts of file
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paths being executed as shell commands within an os.system call.
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</p>
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</description>
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<impact type="normal">
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<p>A context-dependent attacker could execute arbitrary shell commands via
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a specially crafted file.
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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 ‘Back In Time’ 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 ">=app-backup/backintime-1.1.24"
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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/nvd.cfm?cvename=CVE-2017-16667">
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CVE-2017-16667
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</uri>
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</references>
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<metadata tag="requester" timestamp="2018-01-05T05:36:24Z">jmbailey</metadata>
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<metadata tag="submitter" timestamp="2018-01-07T23:41:27Z">jmbailey</metadata>
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</glsa>
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