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CVE-2023-27490— Missing proper state, nonce and PKCE checks for OAuth authentication in next-auth

Quick assessment

Affected
nextauthjs next-auth
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NextAuth.js是 Next.js 的身份验证。 NextAuth.js存在授权问题漏洞。攻击者利用该漏洞可以提升权限。

CVSS 8.1 · High EPSS 0.54% · P44

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token
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I. Basic Information for CVE-2023-27490

Vulnerability Information
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Vulnerability Title
Missing proper state, nonce and PKCE checks for OAuth authentication in next-auth
Source: CVE Program / CVE List V5
Vulnerability Description
NextAuth.js is an open source authentication solution for Next.js applications. `next-auth` applications using OAuth provider versions before `v4.20.1` have been found to be subject to an authentication vulnerability. A bad actor who can read traffic on the victim's network or who is 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. This is due to a partial failure during a compromised OAuth session where a session code is erroneously generated. This issue has been addressed in version 4.20.1. Users are advised to upgrade. Users unable to upgrade may using Advanced Initialization, manually check the callback request for state, pkce, and nonce against the provider configuration to prevent this issue. See the linked GHSA for details.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
会话固定
Source: CVE Program / CVE List V5
Vulnerability Title
NextAuth.js 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NextAuth.js是 Next.js 的身份验证。 NextAuth.js存在授权问题漏洞。攻击者利用该漏洞可以提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
nextauthjs next-auth < 4.20.1 -

II. Public POCs for CVE-2023-27490

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III. Intelligence Information for CVE-2023-27490

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Vendor Advisories for CVE-2023-27490 (2)

Other References for CVE-2023-27490 (5)

IV. Related Vulnerabilities

Same product: next-auth
Same vendor: nextauthjs
Same weakness: CWE-384

V. Comments for CVE-2023-27490

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