glsa-202210-28.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202210-28">
    <title>exif: Denial of Service</title>
    <synopsis>A vulnerability has been discovered in exif which could result in denial of service.</synopsis>
    <product type="ebuild">exif</product>
    <announced>2022-10-31</announced>
    <revised count="1">2022-10-31</revised>
    <bug>783522</bug>
    <access>remote</access>
    <affected>
        <package name="media-gfx/exif" auto="yes" arch="*">
            <unaffected range="ge">0.6.22</unaffected>
            <vulnerable range="lt">0.6.22</vulnerable>
        </package>
    </affected>
    <background>
        <p>libexif is a library for parsing, editing and saving Exif metadata from images. exif is a small command line interface for libexif.</p>
    </background>
    <description>
        <p>There is a bug in exif&#39;s XML output format which can result in a null pointer dereference when outputting crafted JPEG EXIF data.</p>
    </description>
    <impact type="low">
        <p>A crafted JPEG image can trigger a denial of service in the form of a null pointer dereference.</p>
    </impact>
    <workaround>
        <p>There is no known workaround at this time.</p>
    </workaround>
    <resolution>
        <p>All exif users should upgrade to the latest version:</p>
        
        <code>
          # emerge --sync
          # emerge --ask --oneshot --verbose ">=media-gfx/exif-0.6.22"
        </code>
    </resolution>
    <references>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-27815">CVE-2021-27815</uri>
    </references>
    <metadata tag="requester" timestamp="2022-10-31T01:23:34.557009Z">ajak</metadata>
    <metadata tag="submitter" timestamp="2022-10-31T01:23:34.562073Z">ajak</metadata>
</glsa>