Apache Struts allows entering a custom URL in a form field if built-in URLValidator is used
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2017-9804US | high7.5 | — | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txtWEB
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.htmlWEB
- https://github.com/apache/strutsPACKAGE
- https://github.com/apache/struts/commit/418a20c0594f23764fe29ced400c1219239899aWEB
- https://nvd.nist.gov/vuln/detail/CVE-2017-9804ADVISORY
- https://security.netapp.com/advisory/ntap-20180629-0001WEB
- https://struts.apache.org/docs/s2-050.htmlWEB
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2WEB
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