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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202310-13">
<title>GNU Mailutils: unexpected processsing of escape sequences</title>
<synopsis>A vulnerability has been discovered in Mailutils where escape sequences are processed in a context where this may lead to RCE.</synopsis>
<product type="ebuild">mailutils</product>
<announced>2023-10-19</announced>
<revised count="1">2023-10-19</revised>
<bug>802867</bug>
<access>remote</access>
<affected>
<package name="net-mail/mailutils" auto="yes" arch="*">
<unaffected range="ge">3.12-r3</unaffected>
<vulnerable range="lt">3.12-r3</vulnerable>
</package>
</affected>
<background>
<p>GNU Mailutils is a collection of mail-related utilities, including an IMAP4 server (imap4d) and a Mail User Agent (mail).</p>
</background>
<description>
<p>A vulnerability has been discovered in GNU Mailutils. Please review the CVE identifier referenced below for details.</p>
</description>
<impact type="high">
<p>mail(1) from mailutils would process escape sequences (like ~! shellcommand) in message bodies piped/redirected in. This creates an RCE if some part of the message body is under an attacker's control.</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Mailutils users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/mailutils-3.12-r3"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-32749">CVE-2021-32749</uri>
</references>
<metadata tag="requester" timestamp="2023-10-19T05:47:33.365385Z">graaff</metadata>
<metadata tag="submitter" timestamp="2023-10-19T05:47:33.367529Z">graaff</metadata>
</glsa>
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