Tag Archives : security

Preventing Mix-Up Attacks with OpenID Connect

Recently the OAuth community has been concerned with some attack vectors around mixed up clients, particularly when dynamic client registration and discovery are used with user-selected OpenID Providers. Broadly, the attacks consist of using dynamic client registration, or the compromise of an OpenID Provider (OP), to trick the Relying Party […]

Covert Redirect

“Covert Redirect”, publicized in May, 2014, is an instance of attackers using open redirectors – a well-known threat, with well-known means of prevention. The OpenID Connect protocol mandates strict measures that preclude open redirectors to prevent this vulnerability. Please see Section 4.2.4 of RFC 6819 (http://tools.ietf.org/html/rfc6819#section-4.2.4) for more information on […]

Challenges facing OpenID

Its been an busy week in the world of OpenID. On Friday Ben Laurie announced a security vulnerability around OpenID that relates to existing problems with DNS and certain SSL certificates. Discussions on the OpenID General mailing list have been fruitful and the major OpenID providers out there today have […]