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CVE-2017-9804

Good to know:

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Date: September 4, 2017

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.

Language: Java

Severity Score

Related Resources (9)

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txt
http://www.securityfocus.com/bid/100612
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
https://nvd.nist.gov/vuln/detail/CVE-2017-9804
http://www.securitytracker.com/id/1039261
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
https://www.mend.io/vulnerability-database/CVE-2017-9804

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Resource Management Errors

CWE-399

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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