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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202402-12">
    <title>GNU Tar: Out of Bounds Read</title>
    <synopsis>A vulnerability has been discovered in GNU Tar which may lead to an out of bounds read.</synopsis>
    <product type="ebuild">tar</product>
    <announced>2024-02-18</announced>
    <revised count="1">2024-02-18</revised>
    <bug>898176</bug>
    <access>remote</access>
    <affected>
        <package name="app-arch/tar" auto="yes" arch="*">
            <unaffected range="ge">1.34-r3</unaffected>
            <vulnerable range="lt">1.34-r3</vulnerable>
        </package>
    </affected>
    <background>
        <p>The GNU Tar program provides the ability to create tar archives, as well as various other kinds of manipulation.</p>
    </background>
    <description>
        <p>A vulnerability have been discovered in GNU Tar. Please review the CVE identifier referenced below for details.</p>
    </description>
    <impact type="high">
        <p>GNU Tar has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs via a V7 archive in which mtime has approximately 11 whitespace characters.</p>
    </impact>
    <workaround>
        <p>There is no known workaround at this time.</p>
    </workaround>
    <resolution>
        <p>All GNU Tar users should upgrade to the latest version:</p>
        
        <code>
          # emerge --sync
          # emerge --ask --oneshot --verbose ">=app-arch/tar-1.34-r3"
        </code>
    </resolution>
    <references>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-48303">CVE-2022-48303</uri>
    </references>
    <metadata tag="requester" timestamp="2024-02-18T07:18:24.316864Z">graaff</metadata>
    <metadata tag="submitter" timestamp="2024-02-18T07:18:24.319114Z">graaff</metadata>
</glsa>