[Yahoo-eng-team] [Bug 1300274] [NEW] V3 Authentication Chaining - uniqueness of auth method names

2014-03-31 Thread Abu Shohel Ahmed
Public bug reported: In V3.0 API, we can chain authentication methods. An attacker can place the same authentication method multiple times in the methods filed. This will result in the same authentication method checking over and over (for loop in code). Using this, an attacker can achieve some

[Yahoo-eng-team] [Bug 1299039] [NEW] Token Scoping

2014-03-28 Thread Abu Shohel Ahmed
Public bug reported: In Havana Stable release for both V2.0 an V3, A scoped token can be used to get another scoped or un-scopped token. This can be exploited by anyone who has gained access to a scoped token. For example, 1. userA is related to two projects: Project1, Project2 2. userA create

[Yahoo-eng-team] [Bug 1288693] [NEW] PKI token is possible to validate via GET call

2014-03-06 Thread Abu Shohel Ahmed
Public bug reported: PKI token should be validated only using Cert and Revocation list. There is no need for any user to fetch/validate the PKI token by making a GET call. Currently, PKI token, similar to UUID token, can be validated/fetched by making a GET call v2.0/tokens/​{tokenId}​ Here toke