JVN#65044642: Apache Struts 1 vulnerable to input validation bypass

2016-06-0700:00:00

Japan Vulnerability Notes

jvn.jp

8.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:P/A:P

0.428 Medium

EPSS

Percentile

97.3%

JSON

The Apache Struts 1 Validator contains a vulnerability where input validation configurations (validation rules, error messages, etc.) may be modified.
This occurs when the following ActionForm (including its subclasses) are in the session scope.

ValidatorForm ValidatorActionForm

Impact

Effects vary depending on the web application. For example, cross-site scripting attacks or denial-of-service (DoS) attacks may be possible.

Solution

As of April 5, 2013, Apache Struts 1 is End-Of-Life (EOL).
For information on countermeasures and patches, refer to the information provided by developers that use Apache Struts 1.