fix(deps): update dependency next-auth to v4.20.1 [security] #114
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This PR contains the following updates:
4.19.2->4.20.1GitHub Vulnerability Alerts
CVE-2023-27490
Impact
next-authapplications using OAuth provider versions beforev4.20.1are affected.A bad actor who can spy on the victim's network or able to social engineer the victim to click a manipulated login link could intercept and tamper with the authorization URL to log in as the victim, bypassing the CSRF protection.
As an example, an attack can happen in the following scenario.
next-authsite. For example https://next-auth-example.vercel.app/next-authsets thecheckscookies according to how the OAuth provider is configured. In this case,stateandpkceare set by default for the Google Provider.The attacker intercepts the returned authorization URL, strips away the OAuth check (nonce, state, pkce), and returns the URL without the check to the victim's browser. For example:
From
https://accounts.google.com/o/oauth2/v2/auth/oauthchooseaccount?client_id=client_id&scope=openid%20email%20profile&response_type=code&redirect_uri=https%3A%2F%2Fnext-auth-example.vercel.app%2Fapi%2Fauth%2Fcallback%2Fgoogle&state=state&code_challenge=code_challenge&code_challenge_method=S256&service=lso&o2v=2&flowName=GeneralOAuthFlowto
https://accounts.google.com/o/oauth2/v2/auth/oauthchooseaccount?client_id=client_id&scope=openid%20email%20profile&response_type=code&redirect_uri=https%3A%2F%2Fnext-auth-example.vercel.app%2Fapi%2Fauth%2Fcallback%2Fgoogle&service=lso&o2v=2&flowName=GeneralOAuthFlow.Notice the parameters
state,code_challengeandcode_verifierare removed from the victim's address bar.The victim attempts to log in using their OAuth account.
The Authorization Server logs the victim in and calls back to the
next-authapi/auth/callback/:providerIdendpoint.5.1. The attacker intercepts and logs this callback URL for later use.
5.2.
next-authchecks the callback call from OAuth Authorization Server (doesn't have checks) and compares the checks with the cookies set (has checks) at step 2. This check will fail, resulting in the victim isn't logged in. However, at this step, the Authorization Server has already accepted the victim's request to log in and generated/sent acodein the URL.The attacker now has an authorization URL with the
codethat the AS will exchange for validaccess_token/id_tokenand can log in as the victim automatically. They can open a new browser window and paste in the URL logged at step 5.1 and log in as the victim.Patches
We patched the vulnerability in
next-authv4.20.1To upgrade, run one of the following:
Workarounds
Upgrading to
latestis the recommended way to fix this issue. However, using Advanced Initialization, developers can manually check the callback request forstate,pkce, andnonceagainst the provider configuration, and abort the sign-in process if there is a mismatch. Check out the source code for help.References
checksprovider configRelease Notes
nextauthjs/next-auth
v4.20.1Compare Source
Full Changelog: https://github.com/nextauthjs/next-auth/compare/next-auth@4.20.0...next-auth@4.20.1
v4.20.0Compare Source
What's Changed
getServerSidePropsby @ChinonsoIg in https://github.com/nextauthjs/next-auth/pull/6589enginesrequirement onopenid-clientby @balazsorban44 in https://github.com/nextauthjs/next-auth/pull/6654NEXTAUTH_URL_INTERNALby @ThangHuuVu in https://github.com/nextauthjs/next-auth/pull/6814New Contributors
Full Changelog: https://github.com/nextauthjs/next-auth/compare/next-auth@4.19.2...next-auth@4.20.0
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