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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="202007-38">
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<title>QtGui: Arbitrary code execution</title>
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<synopsis>A use-after-free was discovered in QtGui's Markdown handling code
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possibly allowing a remote attacker to execute arbitrary code.
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</synopsis>
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<product type="ebuild">qtgui</product>
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<announced>2020-07-27</announced>
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<revised count="1">2020-07-27</revised>
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<bug>719732</bug>
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<access>remote</access>
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<affected>
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<package name="dev-qt/qtgui" auto="yes" arch="*">
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<unaffected range="ge">5.14.2</unaffected>
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<vulnerable range="lt">5.14.2</vulnerable>
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</package>
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</affected>
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<background>
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<p>QtGui is a module for the Qt toolkit.</p>
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</background>
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<description>
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<p>QtGui’s setMarkdown has a use-after-free related to
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QTextMarkdownImporter::insertBlock.
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</p>
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</description>
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<impact type="normal">
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<p>A remote attacker could possibly execute arbitrary code with the
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privileges of the process, or cause a Denial of Service condition.
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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 QtGui 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 ">=dev-qt/qtgui-5.14.2"
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</code>
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<p>Note that the Qt suite is best kept in sync, so a world upgrade may be
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advisable to keep your system in a good state.
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</p>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-12267">CVE-2020-12267</uri>
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</references>
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<metadata tag="requester" timestamp="2020-06-06T21:54:28Z">sam_c</metadata>
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<metadata tag="submitter" timestamp="2020-07-27T00:37:49Z">sam_c</metadata>
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</glsa>
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