Power BI Report Server Spoofing Vulnerability

CVE编号

CVE-2021-41372

利用情况

暂无

补丁情况

N/A

披露时间

2021-11-09

漏洞描述

A Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF) vulnerability exists when Power BI Report Server Template file (pbix) containing HTML files is uploaded to the server and HTML files are accessed directly by the victim. Combining these 2 vulnerabilities together, an attacker is able to upload malicious Power BI templates files to the server using the victim's session and run scripts in the security context of the user and perform privilege escalation in case the victim has admin privileges when the victim access one of the HTML files present in the malicious Power BI template uploaded. The security update addresses the vulnerability by helping to ensure that Power BI Report Server properly sanitize file uploads.

解决建议

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-41372
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41372

受影响软件情况

#	类型	厂商	产品	版本	影响面
1
	运行在以下环境
	应用	microsoft	power_bi_report_server	15.0.1107.165	-

CVSS3评分 7.6

• 攻击路径 网络
• 攻击复杂度 低
• 权限要求 低
• 影响范围 已更改
• 用户交互 需要
• 可用性 无
• 保密性 高
• 完整性 低

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N CWE-ID 漏洞类型 CWE-352 跨站请求伪造（CSRF） CWE-79 在Web页面生成时对输入的转义处理不恰当（跨站脚本）