漏洞信息
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Vulnerability Title
Wekan: a low-privilege board member escalates to board admin and takes over a private board via the `sort` collection-allow rule
Vulnerability Description
Wekan is open source kanban built with Meteor. Prior to 9.89, the second Boards.allow({ update }) rule in server/permissions/boards.js called canUpdateBoardSort in server/lib/utils.js, which authorized any board member whenever fieldNames included sort. Because Meteor combines allow rules with OR semantics and applies the complete modifier, a comment-only or read-only member could send one Boards.update with $set values for sort, members, permission, and title, make themselves the sole board administrator, expose a private board, and evict the legitimate owner; the last-admin deny rule inspected only $pull and did not block a wholesale $set of members. Version 9.89 requires sort to be the only modified field and rejects $set member arrays that remove the last active administrator. This issue is fixed in version 9.89.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
特权管理不恰当
Vulnerability Title
WeKan 权限许可和访问控制问题漏洞
Vulnerability Description
WeKan是WeKan团队的一款项目管理软件。 WeKan 9.89之前版本存在安全漏洞,该漏洞源于权限验证不当,可能导致仅评论或只读成员通过发送包含sort、members、permission和title的更新操作提升为管理员、暴露私有看板并驱逐合法所有者。
CVSS Information
N/A
Vulnerability Type
N/A