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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="202105-04">
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<title>Boost: Buffer overflow</title>
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<synopsis>A buffer overflow in Boost might allow remote attacker(s) to
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execute arbitrary code.
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</synopsis>
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<product type="ebuild">boost</product>
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<announced>2021-05-26</announced>
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<revised count="1">2021-05-26</revised>
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<bug>620468</bug>
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<access>local, remote</access>
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<affected>
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<package name="dev-libs/boost" auto="yes" arch="*">
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<unaffected range="ge">1.74.0-r2</unaffected>
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<vulnerable range="lt">1.74.0-r2</vulnerable>
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</package>
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</affected>
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<background>
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<p>Boost is a set of C++ libraries, including the Boost.Regex library to
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process regular expressions.
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</p>
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</background>
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<description>
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<p>It was discovered that Boost incorrectly sanitized ‘next_size’ and
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‘max_size’ parameter in ordered_malloc() function when allocating
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memory.
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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 provide a specially crafted application-specific
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file (requiring runtime memory allocation to be processed correctly),
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that, when opened with an application using Boost C++ source libraries,
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possibly resulting in execution of arbitrary code with the privileges of
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the process or 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 Boost 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-libs/boost-1.74.0-r2"
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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-2012-2677">CVE-2012-2677</uri>
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</references>
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<metadata tag="requester" timestamp="2021-05-25T22:14:01Z">whissi</metadata>
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<metadata tag="submitter" timestamp="2021-05-26T07:45:40Z">whissi</metadata>
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</glsa>
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