<div class="container">
<h1>Security update for dnsdist</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2023:2777-1</td>
</tr>
<tr>
<th>Rating:</th>
<td>moderate</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1054799">#1054799</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1054802">#1054802</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1114511">#1114511</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-2016-7069.html">CVE-2016-7069</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2017-7557.html">CVE-2017-7557</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2018-14663.html">CVE-2018-14663</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-2016-7069</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.0/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-2017-7557</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2018-14663</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP1</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP2</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP3</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP1</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP2</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves three vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for dnsdist fixes the following issues:</p>
<ul>
<li>Implements package 'dnsdist' with version 1.8.0 in SLE15. (jsc#PED-3402)</li>
<li>Downstream DNS resolver configuration should be chosen by the admin</li>
<li>Security fix: fixes a possible record smugging with a crafted DNS query with trailing data (CVE-2018-14663, bsc#1114511)</li>
<li>Security fix: There is an issue that can lead to a denial of service on 32-bit if a backend sends crafted answers. (CVE-2016-7069, bsc#1054799)</li>
<li>Security fix: Alteration of dnsdist's ACL if the API is enabled, writable and an authenticated user is tricked into visiting a crafted website. (CVE-2017-7557, bsc#1054799)</li>
<li>SNMP support, exporting statistics and sending traps</li>
<li>Preventing the packet cache from ageing responses when deployed in</li>
<li>Various DNSCrypt-related fixes and improvements, including automatic key rotation</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE Moderate 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 Server 15 SP1 LTSS 15-SP1
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-2777=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2023-2777=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2023-2777=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP1
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-2777=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP2
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2023-2777=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (aarch64 x86_64)
<ul>
<li>dnsdist-debugsource-1.8.0-150100.3.5.1</li>
<li>dnsdist-1.8.0-150100.3.5.1</li>
<li>dnsdist-debuginfo-1.8.0-150100.3.5.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 x86_64)
<ul>
<li>dnsdist-debugsource-1.8.0-150100.3.5.1</li>
<li>dnsdist-1.8.0-150100.3.5.1</li>
<li>dnsdist-debuginfo-1.8.0-150100.3.5.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3 (aarch64 x86_64)
<ul>
<li>dnsdist-debugsource-1.8.0-150100.3.5.1</li>
<li>dnsdist-1.8.0-150100.3.5.1</li>
<li>dnsdist-debuginfo-1.8.0-150100.3.5.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64)
<ul>
<li>dnsdist-debugsource-1.8.0-150100.3.5.1</li>
<li>dnsdist-1.8.0-150100.3.5.1</li>
<li>dnsdist-debuginfo-1.8.0-150100.3.5.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP2 (x86_64)
<ul>
<li>dnsdist-debugsource-1.8.0-150100.3.5.1</li>
<li>dnsdist-1.8.0-150100.3.5.1</li>
<li>dnsdist-debuginfo-1.8.0-150100.3.5.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2016-7069.html">https://www.suse.com/security/cve/CVE-2016-7069.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2017-7557.html">https://www.suse.com/security/cve/CVE-2017-7557.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2018-14663.html">https://www.suse.com/security/cve/CVE-2018-14663.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1054799">https://bugzilla.suse.com/show_bug.cgi?id=1054799</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1054802">https://bugzilla.suse.com/show_bug.cgi?id=1054802</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1114511">https://bugzilla.suse.com/show_bug.cgi?id=1114511</a>
</li>
</ul>
</div>