Vulnerability Information
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Vulnerability Title
SMTP Command Injection in iCalendar Attachments to emails via newlines in Nextcloud Server
Vulnerability Description
Nextcloud server is an open source personal cloud server. Affected versions were found to be vulnerable to SMTP command injection. The impact varies based on which commands are supported by the backend SMTP server. However, the main risk here is that the attacker can then hijack an already-authenticated SMTP session and run arbitrary SMTP commands as the email user, such as sending emails to other users, changing the FROM user, and so on. As before, this depends on the configuration of the server itself, but newlines should be sanitized to mitigate such arbitrary SMTP command injection. It is recommended that the Nextcloud Server is upgraded to 22.2.8 , 23.0.5 or 24.0.1. There are no known workarounds for this issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Vulnerability Title
Nextcloud 注入漏洞
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud 存在注入漏洞，该漏洞源于容易受到 SMTP 命令注入的攻击。
CVSS Information
N/A
Vulnerability Type
N/A