POJIA破甲
地图 / Re-Sharing allows increase of privileges

Re-Sharing allows increase of privileges

访问控制 / Improper Privilege Management / #889243

厂商
Nextcloud
严重程度
低危 · CVSS 5.5
赏金
—
弱点
Improper Privilege Management
研究员
@alx_il
披露日期
2020-09-28
资产
nextcloud/server
CVE
CVE-2020-8223

该报告还没有中文解读。

原文摘录

摘自原文(444 字符中的一小部分)
- User A shares a file/folder to user B with re-sharing permission, but readonly - User B shares this file/folder to User C (Needs the shareapi_default_permissions set to 1 (all checkmarks off in admin panel)) - User B can add write permissions for the share to User C (User C may also be anonymous …

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 Nextcloud 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @alx_il · 版权归作者与 Nextcloud 所有

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