Constructing a "Common cross site scripting vulnerabilities enumeration (CXE)" using CWE and CVE

  • Authors:
  • K. Sivakumar;K. Garg

  • Affiliations:
  • Dept. of Electronics & Computer Engg., Indian Institute of Technology, Roorkee;Dept. of Electronics & Computer Engg., Indian Institute of Technology, Roorkee

  • Venue:
  • ICISS'07 Proceedings of the 3rd international conference on Information systems security
  • Year:
  • 2007

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Abstract

It has been found that almost 70% of the recent attacks in Web Applications have been carried out even when the systems have been protected with well laid Firewalls and Intrusion Detection Systems. Advisories sites report that more than 20% of the attacks have originated from Cross Site Scripting (XSS) vulnerabilities. Our analysis has shown that more than 40% of the vulnerabilities that are confirmed in Common Vulnerability Exposures (CVE), were based on PHP Script in the year 2006. Out of these PHP based vulnerabilities, 45% are classified under XSS. By organizing these errors into a simple taxonomy and mapping CVE with the Common Weakness Enumeration (CWE) of Mitre Corp, we have constructed a Common XSS vulnerability Enumeration (CXE). With the help of CXE, security practitioners can recognize the common types of developer patterns leading to coding errors in PHP, that result in XSS vulnerability, while developers can identify and rectify existing errors as they build software.