Apache Struts URLValidator Server Process Overload Vulnerability

CVE-2017-9804 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL. NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.

Learn more about our Cis Benchmark Audit For Apache Http Server.