漏洞信息
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Vulnerability Title
Etherpad: JWT `admin` claim presence-only check lets non-admin OAuth users invoke every Etherpad HTTP API endpoint
Vulnerability Description
Etherpad is a real-time collaborative editor. From 2.1.0 until 3.1.0, Etherpad's src/node/handler/APIHandler.ts authorizes requests to /api/2/* in the authorization_code OAuth path by using requiredClaims with the admin claim. This check requires only that the claim exists, while src/node/security/OAuth2Provider.ts issues admin: false for configured non-admin users. A non-admin user with a valid signed token can therefore invoke administrative functions including setHTML, setText, appendText, deletePad, copyPad, movePad, restoreRevision, anonymizeAuthor, listAllPads, and listAuthorsOfPad, allowing disclosure, modification, or deletion of pads across the instance. This issue is fixed in version 3.1.0.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Vulnerability Type
授权机制不正确
Vulnerability Title
ETHER etherpad 授权问题漏洞
Vulnerability Description
etherpad是ETHER组织的一个支持多人实时在线协作的文档编辑工具。 ETHER etherpad 2.1.0版本至3.1.0之前版本存在授权问题漏洞,该漏洞源于APIHandler.ts在OAuth授权码路径中使用requiredClaims验证admin声明时仅检查声明存在,非管理员用户可利用有效签名令牌调用管理功能(如setHTML、setText、deletePad等),导致跨实例泄露、修改或删除pads。
CVSS Information
N/A
Vulnerability Type
N/A