2022-12-20 02:19:21 +00:00
|
|
|
<!DOCTYPE html>
|
|
|
|
|
|
|
|
|
|
<!-- Inferencium - Website - Blog - #1 -->
|
2023-11-16 21:25:15 +00:00
|
|
|
<!-- Version: 5.0.2 -->
|
2022-12-20 02:19:21 +00:00
|
|
|
|
2023-05-28 15:37:00 +01:00
|
|
|
<!-- Copyright 2022 Jake Winters -->
|
|
|
|
|
<!-- SPDX-License-Identifier: BSD-3-Clause -->
|
2022-12-20 02:19:21 +00:00
|
|
|
|
|
|
|
|
|
2023-11-16 21:25:15 +00:00
|
|
|
<html lang="en">
|
2023-06-23 18:31:45 +01:00
|
|
|
<head>
|
2023-11-16 21:25:15 +00:00
|
|
|
<meta charset="utf-8"/>
|
|
|
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
|
|
|
<link rel="stylesheet" href="../main.css"/>
|
2023-06-23 18:31:45 +01:00
|
|
|
<title>Inferencium - Blog - systemd Insecurity</title>
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
2023-11-16 21:25:15 +00:00
|
|
|
<nav class="nav-bar">
|
|
|
|
|
<div><a href="../index.html"><img src="../asset/img/logo-inferencium-no_text.png" width="110px" height="110px"/></a></div>
|
|
|
|
|
<div><a href="../index.html" class="title">Inferencium</a></div>
|
2023-10-31 03:05:33 +00:00
|
|
|
<div><a href="../about.html">About</a></div>
|
|
|
|
|
<div><a href="../contact.html">Contact</a></div>
|
|
|
|
|
<div><a href="../blog.html">Blog</a></div>
|
|
|
|
|
<div><a href="../documentation.html">Documentation</a></div>
|
|
|
|
|
<div><a href="../source.html">Source</a></div>
|
|
|
|
|
<div><a href="../key.html">Key</a></div>
|
|
|
|
|
<div><a href="../changelog.html">Changelog</a></div>
|
2023-11-16 21:25:15 +00:00
|
|
|
</nav>
|
2023-06-23 18:31:45 +01:00
|
|
|
<h1>Blog - #1</h1>
|
|
|
|
|
<h2>systemd Insecurity</h2>
|
|
|
|
|
<p class="update_date">Posted: 2022-01-29 (UTC+00:00)</p>
|
2023-10-31 03:05:33 +00:00
|
|
|
<p class="update_date">Updated: 2023-10-31 (UTC+00:00)</p>
|
2023-11-16 21:25:15 +00:00
|
|
|
<nav id="toc">
|
2023-09-02 20:15:45 +01:00
|
|
|
<h2 id="toc"><a href="#toc">Table of Contents<a/></h2>
|
2023-06-23 18:31:45 +01:00
|
|
|
<ul>
|
2023-10-31 03:05:33 +00:00
|
|
|
<li><a href="#issue-0">Issue #0 - Against CVE Assignment</a></li>
|
|
|
|
|
<li><a href="#issue-1">Issue #1 - CVEs Are Not Useful</a></li>
|
|
|
|
|
<li><a href="#issue-2">Issue #2 - Security is a Circus</a></li>
|
|
|
|
|
<li><a href="#issue-3">Issue #3 - Blaming the User</a></li>
|
2023-06-23 18:31:45 +01:00
|
|
|
</ul>
|
2023-11-16 21:25:15 +00:00
|
|
|
</nav>
|
2023-10-31 03:05:33 +00:00
|
|
|
<p>Anyone who cares about security may want to switch from systemd as soon as possible;
|
|
|
|
|
its lead developer doesn't care about your security at all.</p>
|
|
|
|
|
<section id="issue-0">
|
|
|
|
|
<h2 id="issue-0"><a href="#issue-0">Issue #0 - Against CVE Assignment</a></h2>
|
|
|
|
|
<blockquote>"You don't assign CVEs to every single random bugfix we do, do
|
|
|
|
|
you?"</blockquote>
|
2023-06-23 18:31:45 +01:00
|
|
|
<p>- Lennart Poettering, systemd lead developer</p>
|
2023-10-31 03:05:33 +00:00
|
|
|
<p><b>My thoughts:</b> Yes, if they're security-related.</p>
|
|
|
|
|
<p>Source:
|
2023-09-02 20:15:45 +01:00
|
|
|
<a href="https://github.com/systemd/systemd/pull/5998#issuecomment-303782334">systemd GitHub Issue 5998</a></p>
|
2023-06-23 18:31:45 +01:00
|
|
|
</section>
|
2023-10-31 03:05:33 +00:00
|
|
|
<section id="issue-1">
|
|
|
|
|
<h2 id="issue-1"><a href="#issue-1">Issue #1 - CVEs Are Not Useful</a></h2>
|
|
|
|
|
<blockquote>"Humpf, I am not convinced this is the right way to announce this.
|
|
|
|
|
We never did that, and half the CVEs aren't useful anyway, hence I am not sure
|
|
|
|
|
we should start with that now, because it is either inherently incomplete or
|
|
|
|
|
blesses the nonsensical part of the CVE circus which we really shouldn't
|
2023-06-23 18:31:45 +01:00
|
|
|
bless..."</blockquote>
|
|
|
|
|
<p>- Lennart Poettering, systemd lead developer</p>
|
2023-10-31 03:05:33 +00:00
|
|
|
<p><b>My thoughts:</b> CVEs are supposed to be for security, and a log of when they
|
|
|
|
|
were found and their severity, so yes, it <em>is</em> the correct way to
|
|
|
|
|
announce it. It seems as if over 95 security-concious people think the same.</p>
|
|
|
|
|
<p>Source:
|
2023-09-02 20:15:45 +01:00
|
|
|
<a href="https://github.com/systemd/systemd/pull/6225#issuecomment-311739869">systemd GitHub Issue 6225</a></p>
|
2023-06-23 18:31:45 +01:00
|
|
|
</section>
|
2023-10-31 03:05:33 +00:00
|
|
|
<section id="issue-2">
|
|
|
|
|
<h2 id="issue-2"><a href="#issue-2">Issue #2 - Security is a Circus</a></h2>
|
|
|
|
|
<blockquote>"I am not sure I buy enough into the security circus to do that
|
|
|
|
|
though for any minor issue..."</blockquote>
|
2023-06-23 18:31:45 +01:00
|
|
|
<p>- Lennart Poettering, systemd lead developer</p>
|
2023-10-31 03:05:33 +00:00
|
|
|
<p>Source:
|
2023-09-02 20:15:45 +01:00
|
|
|
<a href="https://github.com/systemd/systemd/issues/5144#issuecomment-276740654">systemd GitHub Issue 5144</a></p>
|
2023-06-23 18:31:45 +01:00
|
|
|
</section>
|
2023-10-31 03:05:33 +00:00
|
|
|
<section id="issue-3">
|
|
|
|
|
<h2 id="issue-3"><a href="#issue-3">Issue #3 - Blaming the User</a></h2>
|
|
|
|
|
<blockquote>"Yes, as you found out "0day" is not a valid username. I wonder
|
|
|
|
|
which tool permitted you to create it in the first place. Note that not
|
|
|
|
|
permitting numeric first characters is done on purpose: to avoid ambiguities
|
|
|
|
|
between numeric UID and textual user names.<br>
|
2023-06-23 18:31:45 +01:00
|
|
|
<br>
|
2023-10-31 03:05:33 +00:00
|
|
|
systemd will validate all configuration data you drop at it, making it hard to
|
|
|
|
|
generate invalid configuration. Hence, yes, it's a feature that we don't permit
|
|
|
|
|
invalid user names, and I'd consider it a limitation of xinetd that it doesn't
|
|
|
|
|
refuse an invalid username.<br>
|
2023-06-23 18:31:45 +01:00
|
|
|
<br>
|
2023-10-31 03:05:33 +00:00
|
|
|
So, yeah, I don't think there's anything to fix in systemd here. I understand
|
|
|
|
|
this is annoying, but still: the username is clearly not valid."</blockquote>
|
2023-06-23 18:31:45 +01:00
|
|
|
<p>- Lennart Poettering, systemd lead developer</p>
|
2023-10-31 03:05:33 +00:00
|
|
|
<p><b>My thoughts:</b> systemd was the thing that allowed root access just because a
|
|
|
|
|
username started with a number, then Poettering blamed the user.</p>
|
|
|
|
|
<p>Source:
|
2023-09-02 20:15:45 +01:00
|
|
|
<a href="https://github.com/systemd/systemd/issues/6237#issuecomment-311900864">systemd GitHub Issue 6237</a></p>
|
2023-06-23 18:31:45 +01:00
|
|
|
</section>
|
|
|
|
|
</body>
|
2022-12-20 02:19:21 +00:00
|
|
|
</html>
|
