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GHSA-q2mx-j4x2-2h74: URL Redirection to Untrusted Site ('Open Redirect') in next-auth

Impact

We found that this vulnerability is present when the developer is implementing an OAuth 1 provider (by extension, it means Twitter, which is the only built-in provider using OAuth 1), but upgrading is still recommended.

next-auth v3 users before version 3.29.3 are impacted. (We recommend upgrading to v4, as v3 is considered unmaintained. See our migration guide)

next-auth v4 users before version 4.3.3 are impacted.

Patches

We’ve released patches for this vulnerability in:

  • v3 - 3.29.3
  • v4 - 4.3.3

You can do:

npm i next-auth@latest

or

yarn add next-auth@latest

or

pnpm add next-auth@latest

(This will update to the latest v4 version, but you can change latest to 3 if you want to stay on v3.)

Workarounds

If you are not able to upgrade for any reason, you can add the following configuration to your callbacks option:

// async redirect(url, baseUrl) { // v3
async redirect({ url, baseUrl }) { // v4
    // Allows relative callback URLs
    if (url.startsWith("/")) return `${baseUrl}${url}`
    // Allows callback URLs on the same origin
    else if (new URL(url).origin === baseUrl) return url
    return baseUrl
}

References

This vulnerability was discovered right after https://github.com/nextauthjs/next-auth/security/advisories/GHSA-f9wg-5f46-cjmw was published and is very similar in nature.

Read more about the callbacks.redirect option in the documentation: https://next-auth.js.org/configuration/callbacks#redirect-callback

For more information

If you have any concerns, we request responsible disclosure, outlined here: https://next-auth.js.org/security#reporting-a-vulnerability

Timeline

The issue was reported 2022 April 20th, a response was sent out to the reporter 8 minutes after, and a patch was produced within a few days.

ghsa
#vulnerability#nodejs#js#git#oauth#auth

Impact

We found that this vulnerability is present when the developer is implementing an OAuth 1 provider (by extension, it means Twitter, which is the only built-in provider using OAuth 1), but upgrading is still recommended.

next-auth v3 users before version 3.29.3 are impacted. (We recommend upgrading to v4, as v3 is considered unmaintained. See our migration guide)

next-auth v4 users before version 4.3.3 are impacted.

Patches

We’ve released patches for this vulnerability in:

  • v3 - 3.29.3
  • v4 - 4.3.3

You can do:

or

yarn add next-auth@latest

or

pnpm add next-auth@latest

(This will update to the latest v4 version, but you can change latest to 3 if you want to stay on v3.)

Workarounds

If you are not able to upgrade for any reason, you can add the following configuration to your callbacks option:

// async redirect(url, baseUrl) { // v3 async redirect({ url, baseUrl }) { // v4 // Allows relative callback URLs if (url.startsWith(“/”)) return `${baseUrl}${url}` // Allows callback URLs on the same origin else if (new URL(url).origin === baseUrl) return url return baseUrl }

References

This vulnerability was discovered right after GHSA-f9wg-5f46-cjmw was published and is very similar in nature.

Read more about the callbacks.redirect option in the documentation: https://next-auth.js.org/configuration/callbacks#redirect-callback

For more information

If you have any concerns, we request responsible disclosure, outlined here: https://next-auth.js.org/security#reporting-a-vulnerability

Timeline

The issue was reported 2022 April 20th, a response was sent out to the reporter 8 minutes after, and a patch was produced within a few days.

References

  • GHSA-q2mx-j4x2-2h74
  • https://nvd.nist.gov/vuln/detail/CVE-2022-29214
  • https://github.com/nextauthjs/next-auth/releases/tag/next-auth%40v4.3.3

Related news

CVE-2022-29214: Release [email protected] · nextauthjs/next-auth

NextAuth.js (next-auth) is am open source authentication solution for Next.js applications. Prior to versions 3.29.3 and 4.3.3, an open redirect vulnerability is present when the developer is implementing an OAuth 1 provider. Versions 3.29.3 and 4.3.3 contain a patch for this issue. The maintainers recommend adding a certain configuration to one's `callbacks` option as a workaround for those unable to upgrade.

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