Cacti RCE vulnerability when importing packages

Cacti provides an operational monitoring and fault management framework. Prior to version 1.2.27, an arbitrary file write vulnerability, exploitable through the "Package Import" feature, allows authenticated users having the "Import Templates" permission to execute arbitrary PHP code on the web server. The vulnerability is located within the `import_package()` function defined into the `/lib/import.php` script. The function blindly trusts the filename and file content provided within the XML data, and writes such files into the Cacti base path (or even outside, since path traversal sequences are not filtered). This can be exploited to write or overwrite arbitrary files on the web server, leading to execution of arbitrary PHP code or other security impacts. Version 1.2.27 contains a patch for this issue.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

输入验证不恰当

Cacti 安全漏洞

Cacti是Cacti团队的一套开源的网络流量监测和分析工具。该工具通过snmpget来获取数据，使用RRDtool绘画图形进行分析，并提供数据和用户管理功能。 Cacti 1.2.27之前版本存在安全漏洞，该漏洞源于存在任意文件写入漏洞，允许经过身份验证的用户在Web服务器上执行任意PHP代码。

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