CVE - CVE-2022-35924

CVE-ID
CVE-2022-35924	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
NextAuth.js is a complete open source authentication solution for Next.js applications. `next-auth` users who are using the `EmailProvider` either in versions before `4.10.3` or `3.29.10` are affected. If an attacker could forge a request that sent a comma-separated list of emails (eg.: `attacker@attacker.com,victim@victim.com`) to the sign-in endpoint, NextAuth.js would send emails to both the attacker and the victim's e-mail addresses. The attacker could then login as a newly created user with the email being `attacker@attacker.com,victim@victim.com`. This means that basic authorization like `email.endsWith("@victim.com")` in the `signIn` callback would fail to communicate a threat to the developer and would let the attacker bypass authorization, even with an `@attacker.com` address. This vulnerability has been patched in `v4.10.3` and `v3.29.10` by normalizing the email value that is sent to the sign-in endpoint before accessing it anywhere else. We also added a `normalizeIdentifier` callback on the `EmailProvider` configuration, where you can further tweak your requirements for what your system considers a valid e-mail address. (E.g.: strict RFC2821 compliance). Users are advised to upgrade. There are no known workarounds for this vulnerability. If for some reason you cannot upgrade, you can normalize the incoming request using Advanced Initialization.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:https://github.com/nextauthjs/next-auth/security/advisories/GHSA-xv97-c62v-4587 URL:https://github.com/nextauthjs/next-auth/security/advisories/GHSA-xv97-c62v-4587 MISC:https://en.wikipedia.org/wiki/Email_address#Local-part URL:https://en.wikipedia.org/wiki/Email_address#Local-part MISC:https://github.com/nextauthjs/next-auth/commit/afb1fcdae3cc30445038ef588e491d139b916003 URL:https://github.com/nextauthjs/next-auth/commit/afb1fcdae3cc30445038ef588e491d139b916003 MISC:https://next-auth.js.org/configuration/callbacks#sign-in-callback URL:https://next-auth.js.org/configuration/callbacks#sign-in-callback MISC:https://next-auth.js.org/configuration/initialization#advanced-initialization URL:https://next-auth.js.org/configuration/initialization#advanced-initialization MISC:https://next-auth.js.org/providers/email URL:https://next-auth.js.org/providers/email MISC:https://next-auth.js.org/providers/email#normalizing-the-e-mail-address URL:https://next-auth.js.org/providers/email#normalizing-the-e-mail-address MISC:https://nodemailer.com/message/addresses URL:https://nodemailer.com/message/addresses
Assigning CNA
GitHub (maintainer security advisories)
Date Record Created
20220715	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20220715)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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