Coturn 4.5.1.x Access Control Bypass

Loopback access control bypass in coturn by using 0.0.0.0, ::1 or :: as the peer address - Fixed version: 4.5.2 - Enable Security Advisory: https://github.com/EnableSecurity/advisories/tree/master/ES2021-01-coturn-access-control-bypass - Coturn Security Advisory:...

CVE-2020-15233 OAuth2 Redirect URL validity does not respect query parameters and character casing for loopback addresses

ORY Fosite is a security first OAuth2 & OpenID Connect framework for Go. In Fosite from version 0.30.2 and before version 0.34.1, there is an issue in which an an attacker can override the registered redirect URL by performing an OAuth flow and requesting a redirect URL that is to the loopback...

Bypassing blacklists based on IPy

IPy is a Python "class and tools for handling of IPv4 and IPv6 addresses and networks" https://github.com/haypo/python-ipy. This library is sometimes used to implement blacklists forbidding internal, private or loopback addresses. Using octal encoding supported by urllib2, it is possible to bypas...