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57 lines
1.9 KiB
57 lines
1.9 KiB
<?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="201402-19">
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<title>libtar: Arbitraty code execution</title>
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<synopsis>A buffer overflow in libtar might allow remote attackers to execute
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arbitrary code or cause a Denial of Service condition.
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</synopsis>
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<product type="ebuild">libtar</product>
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<announced>2014-02-21</announced>
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<revised count="1">2014-02-21</revised>
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<bug>487420</bug>
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<access>remote</access>
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<affected>
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<package name="dev-libs/libtar" auto="yes" arch="*">
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<unaffected range="ge">1.2.20-r2</unaffected>
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<vulnerable range="lt">1.2.20-r2</vulnerable>
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</package>
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</affected>
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<background>
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<p>libtar is a C library for manipulating POSIX tar files.</p>
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</background>
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<description>
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<p>An integer overflow error within the “th_read()” function when
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processing long names or link extensions can be exploited to cause a
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heap-based buffer overflow via a specially crafted archive.
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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 entice a user to open a specially crafted file
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using a program linked against libtar, possibly resulting in execution of
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arbitrary code with the privileges of the process or a Denial of Service
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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 libtar 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/libtar-1.2.20-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/nvd.cfm?cvename=CVE-2013-4397">CVE-2013-4397</uri>
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</references>
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<metadata tag="requester" timestamp="2013-10-28T17:33:28Z">
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pinkbyte
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</metadata>
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<metadata tag="submitter" timestamp="2014-02-21T07:32:05Z">
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pinkbyte
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</metadata>
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</glsa>
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