glsa-202401-22.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202401-22">
    <title>libspf2: Multiple vulnerabilities</title>
    <synopsis>Multiple vulnerabilities have been discovered in libspf2, the worst of which can lead to remote code execution.</synopsis>
    <product type="ebuild">libspf2</product>
    <announced>2024-01-15</announced>
    <revised count="1">2024-01-15</revised>
    <bug>807739</bug>
    <access>remote</access>
    <affected>
        <package name="mail-filter/libspf2" auto="yes" arch="*">
            <unaffected range="ge">1.2.11</unaffected>
            <vulnerable range="lt">1.2.11</vulnerable>
        </package>
    </affected>
    <background>
        <p>libspf2 is a library that implements the Sender Policy Framework, allowing mail transfer agents to make sure that an email is authorized by the domain name that it is coming from.</p>
    </background>
    <description>
        <p>Multiple vulnerabilities have been discovered in libspf2. Please review the CVE identifiers referenced below for details.</p>
    </description>
    <impact type="normal">
        <p>Various buffer overflows have been identified that can lead to denial of service and possibly arbitrary code execution.</p>
    </impact>
    <workaround>
        <p>There is no known workaround at this time.</p>
    </workaround>
    <resolution>
        <p>All libspf2 users should upgrade to the latest version:</p>
        
        <code>
          # emerge --sync
          # emerge --ask --oneshot --verbose ">=mail-filter/libspf2-1.2.11"
        </code>
    </resolution>
    <references>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-20314">CVE-2021-20314</uri>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-33912">CVE-2021-33912</uri>
        <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-33913">CVE-2021-33913</uri>
    </references>
    <metadata tag="requester" timestamp="2024-01-15T15:55:54.972939Z">graaff</metadata>
    <metadata tag="submitter" timestamp="2024-01-15T15:55:54.975403Z">graaff</metadata>
</glsa>