CVE-2017-9804

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache Struts2.3.7 - 2.3.33affected
Apache Software FoundationApache Struts2.5 - 2.5.12affected

Weaknesses

  • A regular expression Denial of Service when using URLValidator (similar to S2-044 & S2-047)

ADP Enrichment

CVE Program Container

Additional References

References