地图 / Username Enumeration

Username Enumeration

信息泄露 / 信息泄露 / #667613

厂商: Nextcloud
严重程度: 低危
赏金: —
弱点: 信息泄露
研究员: @ahpaleus
披露日期: 2019-11-11
资产: nextcloud/server
CVE: —

该报告还没有中文解读。

原文摘录

摘自原文（3816 字符中的一小部分）

Hi, it is possible to determine the existence of a user account. It reveals username which can open new attack vectors.

原文中的代码

GET /avatar/admin/80?v=-472 HTTP/1.1
Host: localhost:8084
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: image/webp,*/*
Accept-Language: pl,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
Connection: close

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

2019-08-05报告提交
2019-11-11公开披露

阅读 HackerOne 原文 ↗作者 @ahpaleus · 版权归作者与 Nextcloud 所有

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