ID de Prueba:	1.3.6.1.4.1.25623.1.0.107240
Categoría:	Denial of Service
Título:	Apache Struts Security Update (S2-050)
Resumen:	Apache Struts is prone to a regular expression Denial; of Service (DoS) vulnerability when using URLValidator.
Descripción:	Summary: Apache Struts is prone to a regular expression Denial of Service (DoS) vulnerability when using URLValidator. Vulnerability Insight: The previous fix issued with S2-047 was incomplete. If an application allows enter an 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. Vulnerability Impact: An attacker can exploit this issue to cause a DoS condition, denying service to legitimate users. Affected Software/OS: Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12. Solution: Update to version 2.3.34, 2.5.13 or later. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Referencia Cruzada:	Common Vulnerability Exposure (CVE) ID: CVE-2017-9804 BugTraq ID: 100612 http://www.securityfocus.com/bid/100612 Cisco Security Advisory: 20170907 Multiple Vulnerabilities in Apache Struts 2 Affecting Cisco Products: September 2017 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2 http://www.securitytracker.com/id/1039261
Copyright	Copyright (C) 2017 Greenbone Networks GmbH

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