NetSight
high8.8

CVE-2019-13611

python-engineio vulnerable to Cross-Site Request Forgery (CSRF)

Impact

## WebSocket cross-origin vulnerability ### Impact This is a Cross-Site Request Forgery (CSRF) vulnerability. It affects Socket.IO and Engine.IO web servers that authenticate clients using cookies. ### Patches python-engineio version 3.9.0 patches this vulnerability by adding server-side Origin header checks. ### Workarounds Do not use cookies for client authentication, or else add a CSRF token to the connection URL. ### References https://www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF) https://www.christian-schneider.net/CrossSiteWebSocketHijacking.html ### For more information If you have any questions or comments about this advisory: * Open an issue in [python-engineio](http://github.com/miguelgrinberg/python-engineio)

Affected packages

EcosystemPackageAffectedFixed in
pippython-engineio<= 3.8.23.9.0

Affected products

VendorProductAffected versions
Python-Engineio ProjectPython-Engineio
through 3.8.2

Weakness classification

References