[KIS-2020-01] SuiteCRM <= 7.11.11 Second-Order PHP Object Injection Vulnerabilities

                							

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<h1 class="m-title">[KIS-2020-01] SuiteCRM &lt;= 7.11.11 Second-Order PHP Object Injection Vulnerabilities</h1>
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<em>From</em>: Egidio Romano &lt;research () karmainsecurity com&gt;


<em>Date</em>: Wed, 12 Feb 2020 20:01:58 +0100


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<pre style="margin: 0em;">---------------------------------------------------------------------
SuiteCRM &lt;= 7.11.11 Second-Order PHP Object Injection Vulnerabilities
---------------------------------------------------------------------


[-] Software Link:

<a rel="nofollow" href="https://suitecrm.com/">https://suitecrm.com/</a>


[-] Affected Versions:

Version 7.11.11 and prior versions.


[-] Vulnerabilities Description:

</pre><tt>1) The vulnerability exists because the 
</tt><tt>"EmailsControllerActionGetFromFields::getEmailSignatures()” method
</tt><tt>is using the unserialize() function with the "account_signatures” user 
</tt><tt>preference, and such a value can be
</tt><tt>arbitrarily manipulated by evil users through the EmailUIAjax interface. 
</tt><tt>This can be exploited to inject
</tt><tt>arbitrary PHP objects into the application scope, allowing an attacker 
</tt><tt>to perform a variety of attacks,
</tt><pre style="margin: 0em;">such as executing arbitrary PHP code.

</pre><tt>2) The vulnerability exists because the 
</tt><tt>"EmailsControllerActionGetFromFields::handleActionGetFromFields()”
</tt><tt>method is using the unserialize() function with the "showFolders” user 
</tt><tt>preference, and such a value can be
</tt><tt>arbitrarily manipulated by evil users through the EmailUIAjax interface. 
</tt><tt>This can be exploited to inject
</tt><tt>arbitrary PHP objects into the application scope, allowing an attacker 
</tt><tt>to perform a variety of attacks,
</tt><pre style="margin: 0em;">such as executing arbitrary PHP code.


[-] Solution:

No official solution is currently available.


[-] Disclosure Timeline:

[19/09/2019] - Vendor notified
[20/09/2019] - Vendor acknowledgement
[12/11/2019] - Vendor contacted again asking for updates, no response
</pre><tt>[20/01/2020] - Vendor notified about public disclosure intention, no 
</tt><tt>response
</tt><pre style="margin: 0em;">[07/02/2020] - CVE number assigned
[12/02/2020] - Public disclosure


[-] CVE Reference:

The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2020-8800 to these vulnerabilities.


[-] Credits:

Vulnerabilities discovered by Egidio Romano.


[-] Original Advisory:

<a rel="nofollow" href="http://karmainsecurity.com/KIS-2020-01">http://karmainsecurity.com/KIS-2020-01</a>


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<h3 class="m-thread">Current thread:</h3>
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<li><strong>[KIS-2020-01] SuiteCRM &lt;= 7.11.11 Second-Order PHP Object Injection Vulnerabilities</strong> <em>Egidio Romano (Feb 12)</em>
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