漏洞信息
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Vulnerability Title
OpenSignLabs opensignserver - Missing Authentication for Critical Function
Vulnerability Description
A missing authentication vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to read arbitrary stored documents via the fileupload Parse cloud function. The function mints MASTER_KEY-signed file access tokens for any caller-supplied URL without performing any session check, defeating the only access control protecting stored contract files.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability Type
关键功能的认证机制缺失
Vulnerability Title
OpenSignLabs OpenSign 授权问题漏洞
Vulnerability Description
OpenSignLabs OpenSign是OpenSignLabs组织的一款数字文档签名解决方案。 OpenSignLabs OpenSign 2.37.0及之前版本存在授权问题漏洞,该漏洞源于fileupload Parse cloud function未执行会话检查即为任意调用者提供的URL签发MASTER_KEY签名的文件访问令牌,绕过访问控制,可能导致未经身份验证的远程攻击者读取任意存储的文档。
CVSS Information
N/A
Vulnerability Type
N/A