74 lines
3.6 KiB
XML
74 lines
3.6 KiB
XML
<?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="202105-01">
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<title>Exim: Multiple vulnerabilities</title>
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<synopsis>Multiple vulnerabilities have been found in Exim, the worst of
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which allows remote attackers to execute arbitrary code.
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</synopsis>
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<product type="ebuild">exim</product>
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<announced>2021-05-04</announced>
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<revised count="1">2021-05-04</revised>
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<bug>786945</bug>
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<access>local, remote</access>
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<affected>
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<package name="mail-mta/exim" auto="yes" arch="*">
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<unaffected range="ge">4.94.2</unaffected>
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<vulnerable range="lt">4.94.2</vulnerable>
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</package>
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</affected>
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<background>
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<p>Exim is a message transfer agent (MTA) designed to be a a highly
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configurable, drop-in replacement for sendmail.
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</p>
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</background>
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<description>
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<p>Multiple vulnerabilities have been discovered in Exim. Please review the
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CVE identifiers referenced below for details.
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</p>
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</description>
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<impact type="high">
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<p>A remote attacker, by connecting to the SMTP listener daemon, could
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possibly execute arbitrary code with the privileges of the process or
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cause a Denial of Service condition. Furthermore, a local attacker could
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perform symlink attacks to overwrite arbitrary files with the privileges
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of the user running the application or escalate privileges.
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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 Exim 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 ">=mail-mta/exim-4.94.2"
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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-2020-28007">CVE-2020-28007</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28008">CVE-2020-28008</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28009">CVE-2020-28009</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28010">CVE-2020-28010</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28011">CVE-2020-28011</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28012">CVE-2020-28012</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28013">CVE-2020-28013</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28014">CVE-2020-28014</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28015">CVE-2020-28015</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28016">CVE-2020-28016</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28017">CVE-2020-28017</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28018">CVE-2020-28018</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28019">CVE-2020-28019</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28020">CVE-2020-28020</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28021">CVE-2020-28021</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28022">CVE-2020-28022</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28023">CVE-2020-28023</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28024">CVE-2020-28024</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28025">CVE-2020-28025</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28026">CVE-2020-28026</uri>
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<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-27216">CVE-2021-27216</uri>
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</references>
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<metadata tag="requester" timestamp="2021-05-04T18:26:25Z">whissi</metadata>
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<metadata tag="submitter" timestamp="2021-05-04T19:29:15Z">whissi</metadata>
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</glsa>
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