Collaborate Disseminate
We’re utilising OAuth’s Authorization Code Flow to authorize the user for an internal action within the application, as opposed to handing off the access token to a separate API.
Under normal circumstances the API recipient would validate … Continue reading Is there a benefit to validate the signature in an OAuth Authorization Code Flow?
Businesses using ‘Log in with Microsoft’ could be exposed to privilege escalation and full account takeover exploits.
The post Researchers Flag Account Takeover Flaw in Microsoft Azure AD OAuth Apps appeared first on SecurityWeek.
Continue reading Researchers Flag Account Takeover Flaw in Microsoft Azure AD OAuth Apps
I’ve been playing around with Oauth 2.0 Playground to understand Google’s Oauth implementation and Oauth in general.
And, I had an idea. I generated an access token running under user_A. Then, I took that access token and used it in Postma… Continue reading Must the refresh_token request come from the same URI origin as in the original redirect_uri?
Lots to learn, clearly explained in plain English… listen now! (Full transcript inside.) Continue reading S3 Ep137: 16th century crypto skullduggery
What good is a popup asking for your approval if an attacker can bypass it simply by suppressing it? Continue reading Serious Security: Verification is vital – examining an OAUTH login bug
OAuth vulnerabilities found in the widely used Expo application development platform could have been exploited for account takeovers.
The post OAuth Vulnerabilities in Widely Used Expo Framework Allowed Account Takeovers appeared first on SecurityWeek.
Continue reading OAuth Vulnerabilities in Widely Used Expo Framework Allowed Account Takeovers
I’m creating a backend that supports authentication with JWT tokens. I’m using the classic access token / refresh token combo.
the access token is valid for 5 minutes and allows the users to perform some actions. It’s not checked against … Continue reading Strong reason to not send refresh token on every request?
I saw a setup recently where frontend and resource servers were hosted on subdomains of the same second level domain. E.g. ui.example.com and api.example.com.
It had an interesting authentication flow that seemed like a variant of the refr… Continue reading Security implications of using the current session to mint new access tokens
I did not personally authorize StackOverflow to access my personal GitHub account through GitHub API, so what could this possibly mean?
An authorization server issues an access token with issuer details which are exposed in a well-known API of that server. This server uses client authentication JWT tokens with clients configured. These JWT tokens are sent as a part of a re… Continue reading Bearer JWT client authentication and access token issued by authorization server