CVE-2017-9804

struts: A regular expression Denial of Service when using URLValidator

Published Sep 20, 2017 CVSS 3.0 · 7.5 High EPSS 8.2% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-x5x7-3v85-wpc4 Apache Struts allows entering a custom URL in a form field if built-in URLValidator is used
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Sep 17, 2024, 3:37 AM
Reserved
Jun 21, 2017, 12:00 AM
Status
Modified
Published
Sep 20, 2017, 5:29 PM
Modified
Jun 17, 2026, 1:28 AM
Severity
Moderate
Public date
Sep 5, 2017, 12:00 AM