CVE-2017-9804 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txt http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html http://www.securityfocus.com/bid/100612 http://www.securitytracker.com/id/1039261 https://security.netapp.com/advisory/ntap-20180629-0001/ https://struts.apache.org/docs/s2-050.html https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5