Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-34246— Doorkeeper Improper Authentication vulnerability

Quick assessment

Affected
doorkeeper-gem doorkeeper
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.

Doorkeeper是一款适用于Rails/Grape应用的OAuth 2身份验证提供程序。 Doorkeeper 5.6.6之前版本存在授权问题漏洞，该漏洞源于会自动处理先前已批准的公共客户端无需用户同意的授权请求。

CVSS 4.2 · Medium EPSS 0.72% · P53

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-34246

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Doorkeeper Improper Authentication vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape. Prior to version 5.6.6, Doorkeeper automatically processes authorization requests without user consent for public clients that have been previous approved. Public clients are inherently vulnerable to impersonation, their identity cannot be assured. This issue is fixed in version 5.6.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Doorkeeper 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Doorkeeper是一款适用于Rails/Grape应用的OAuth 2身份验证提供程序。 Doorkeeper 5.6.6之前版本存在授权问题漏洞，该漏洞源于会自动处理先前已批准的公共客户端无需用户同意的授权请求。
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
doorkeeper-gem doorkeeper < 5.6.6 -

II. Public POCs for CVE-2023-34246

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-34246

请登录查看更多情报信息。

Patches & Fixes for CVE-2023-34246 (1)

Vendor Advisories for CVE-2023-34246 (1)

Mailing List Discussions for CVE-2023-34246 (1)

Other References for CVE-2023-34246 (3)

IV. Related Vulnerabilities

Same vendor: doorkeeper-gem
Same weakness: CWE-287