漏洞信息
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Vulnerability Title
Etherpad: Device-to-device author-token transfer endpoint is replayable, never expires, and exposes the cleartext author token
Vulnerability Description
Etherpad is a real-time collaborative editor. From 2.6.0 until 3.1.0, Etherpad's src/node/hooks/express/tokenTransfer.ts uses POST /tokenTransfer to store an author token for transfer between browsers and exposes it through GET /tokenTransfer/{uuid}. Although the record includes createdAt, the transfer has no expiration check, is not removed after successful redemption, and is returned by res.send(tokenData), including the raw author token. An unauthenticated attacker who obtains a transfer UUID can repeatedly redeem it, receive fresh author cookies, read the cleartext token, and impersonate the originating author for pad read and write operations. This issue is fixed in version 3.1.0.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Vulnerability Type
信息暴露
Vulnerability Title
ETHER etherpad 信息泄露漏洞
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 2.6.0版本至3.1.0之前版本存在安全漏洞,该漏洞源于tokenTransfer接口未对令牌兑换进行过期检查和一次性使用校验,并在响应中返回原始作者令牌,可能导致未经身份验证的攻击者获取transfer UUID后重复兑换,读取明文令牌并冒充作者进行文档读写操作。
CVSS Information
N/A
Vulnerability Type
N/A