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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202305-03">
<title>ProFTPd: Memory Disclosure</title>
<synopsis>A vulnerability has been discovered in ProFTPd which could result in memory disclosure.</synopsis>
<product type="ebuild">proftpd</product>
<announced>2023-05-03</announced>
<revised count="1">2023-05-03</revised>
<bug>811495</bug>
<access>remote</access>
<affected>
<package name="net-ftp/proftpd" auto="yes" arch="*">
<unaffected range="ge">1.3.7c</unaffected>
<vulnerable range="lt">1.3.7c</vulnerable>
</package>
</affected>
<background>
<p>ProFTPD is an advanced and very configurable FTP server.</p>
</background>
<description>
<p>ProFTPd unconditionally sends passwords to Radius servers for authentication in multiples of 16 bytes. If a password is not of a length that is a multiple of 16 bytes, ProFTPd will read beyond the end of the password string and send bytes beyond the end of the string buffer.</p>
</description>
<impact type="low">
<p>Radius servers used for authentication can receive the contents of the ProFTPd process' memory.</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All ProFTPd users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-ftp/proftpd-1.3.7c"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-46854">CVE-2021-46854</uri>
</references>
<metadata tag="requester" timestamp="2023-05-03T09:13:03.619655Z">ajak</metadata>
<metadata tag="submitter" timestamp="2023-05-03T09:13:03.623017Z">sam</metadata>
</glsa>
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