<div class="container">
<h1>Security update for unbound</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2024:1991-2</td>
</tr>
<tr>
<th>Rating:</th>
<td>important</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1202031">bsc#1202031</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1202033">bsc#1202033</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1203643">bsc#1203643</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219823">bsc#1219823</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219826">bsc#1219826</a>
</li>
<li style="display: inline;">
<a href="https://jira.suse.com/browse/PED-8333">jsc#PED-8333</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>
Cross-References:
</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2022-30698.html">CVE-2022-30698</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2022-30699.html">CVE-2022-30699</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2022-3204.html">CVE-2022-3204</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-50387.html">CVE-2023-50387</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-50868.html">CVE-2023-50868</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>CVSS scores:</th>
<td>
<ul class="list-group">
<li class="list-group-item">
<span class="cvss-reference">CVE-2022-30698</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.6</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2022-30698</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2022-30699</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.6</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2022-30699</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2022-3204</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2022-3204</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-50387</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-50387</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-50868</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Enterprise Micro 5.5</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves five vulnerabilities and contains one feature can now be installed.</p>
<h2>Description:</h2>
<p>This update for unbound fixes the following issues:</p>
<p>unbound was updated to 1.20.0:</p>
<ul>
<li>A lot of bugfixes and added features.
For a complete list take a look at the changelog located at:
/usr/share/doc/packages/unbound/Changelog or
https://www.nlnetlabs.nl/projects/unbound/download/</li>
</ul>
<p>Some Noteworthy Changes:</p>
<ul>
<li>Removed DLV. The DLV has been decommisioned since unbound
1.5.4 and has been advised to stop using it since. The use of
dlv options displays a warning.</li>
<li>Remove EDNS lame procedure, do not re-query without EDNS after
timeout.</li>
<li>Add DNS over HTTPS</li>
<li>libunbound has been upgraded to major version 8</li>
</ul>
<p>Security Fixes:
* CVE-2023-50387: DNSSEC verification complexity can be
exploited to exhaust CPU resources and stall DNS resolvers. [bsc#1219823]
* CVE-2023-50868: NSEC3 closest encloser proof can exhaust CPU.
[bsc#1219826]
* CVE-2022-30698: Novel "ghost domain names" attack by
introducing subdomain delegations. [bsc#1202033]
* CVE-2022-30699: Novel "ghost domain names" attack by
updating almost expired delegation information. [bsc#1202031]
* CVE-2022-3204: NRDelegation attack leads to uncontrolled
resource consumption (Non-Responsive Delegation Attack). [bsc#1203643]</p>
<p>Packaging Changes:</p>
<ul>
<li>Use prefixes instead of sudo in unbound.service</li>
<li>Remove no longer necessary BuildRequires: libfstrm-devel and
libprotobuf-c-devel</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".<br/>
Alternatively you can run the command listed for your product:
</p>
<ul class="list-group">
<li class="list-group-item">
SUSE Linux Enterprise Micro 5.5
<br/>
<code>zypper in -t patch SUSE-SLE-Micro-5.5-2024-1991=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>unbound-debugsource-1.20.0-150100.10.13.1</li>
<li>unbound-anchor-1.20.0-150100.10.13.1</li>
<li>libunbound8-1.20.0-150100.10.13.1</li>
<li>unbound-debuginfo-1.20.0-150100.10.13.1</li>
<li>libunbound8-debuginfo-1.20.0-150100.10.13.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2022-30698.html">https://www.suse.com/security/cve/CVE-2022-30698.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2022-30699.html">https://www.suse.com/security/cve/CVE-2022-30699.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2022-3204.html">https://www.suse.com/security/cve/CVE-2022-3204.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-50387.html">https://www.suse.com/security/cve/CVE-2023-50387.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-50868.html">https://www.suse.com/security/cve/CVE-2023-50868.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1202031">https://bugzilla.suse.com/show_bug.cgi?id=1202031</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1202033">https://bugzilla.suse.com/show_bug.cgi?id=1202033</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1203643">https://bugzilla.suse.com/show_bug.cgi?id=1203643</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219823">https://bugzilla.suse.com/show_bug.cgi?id=1219823</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219826">https://bugzilla.suse.com/show_bug.cgi?id=1219826</a>
</li>
<li>
<a href="https://jira.suse.com/browse/PED-8333">https://jira.suse.com/browse/PED-8333</a>
</li>
</ul>
</div>