POJIA破甲
地图 / SMTP Command Injection in iCalendar Attachments to Emails via Newlines

SMTP Command Injection in iCalendar Attachments to Emails via Newlines

注入与走私 / CRLF 注入 / #1516377

厂商
Nextcloud
严重程度
低危 · CVSS 4.1
赏金
—
弱点
CRLF 注入
研究员
@spaceraccoon
披露日期
2022-07-04
资产
nextcloud/calendar
CVE
CVE-2022-31014

该报告还没有中文解读。

原文摘录

摘自原文(5047 字符中的一小部分)
Note: This is similar to {1509216}, but has a new source/attack vector. Apologies for not picking this up earlier.
原文中的代码
PUT /remote.php/dav/calendars/nextcloud/personal/██████.ics HTTP/2
Host: 192.168.92.132

BEGIN:VCALENDAR
PRODID:-//Nextcloud Mail
BEGIN:VTIMEZONE
TZID:Asia/Singapore
BEGIN:STANDARD
TZOFFSETFROM:+0800
TZOFFSETTO:+0800
TZNAME:+08
DTSTART:19700101T000000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT …

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 @spaceraccoon · 版权归作者与 Nextcloud 所有

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