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地图 / Downgrade encryption scheme and break integrity through known-plaintext attack

Downgrade encryption scheme and break integrity through known-plaintext attack

密码学缺陷 / 密码学问题(通用) / #742588

厂商
Nextcloud
严重程度
低危 · CVSS 5.3
赏金
—
弱点
密码学问题(通用)
研究员
@weizenspreu
披露日期
2020-11-05
资产
nextcloud/server
CVE
CVE-2020-8150

该报告还没有中文解读。

原文摘录

摘自原文(3755 字符中的一小部分)
The idea behind the Server Side Encryption is that you can move your encrypted files to an external party without that external party being able to to read or modify those files. Some time ago, Nextcloud switched from unauthenticated CFB cipher block mode to authenticated CTR cipher block mode in …

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 @weizenspreu · 版权归作者与 Nextcloud 所有

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