Published:2016/06/20 Last Updated:2016/06/20
JVN#12352818
Apache Struts 2 vulnerable to denial-of-service (DoS)
Overview
Apache Struts 2 contains a denial-of-service (DoS) vulnerability.
Products Affected
- Apache Struts 2.3.20 to 2.3.28.1
- Apache Struts 2.5
As of April 5, 2013, Apache Software Foundation has announced that Apache Strtus 1 is no longer developed or supported.
Description
Apache Struts 2 provided by the Apache Software Foundation is a software framework for creating web applications in Java. Web applications that are developed using Apache Struts 2 contain a denial-of-service (DoS) vulnerability due to an issue in URLValidator.
Impact
An unauthenticated remote attacker may cause a denial-of-service (DoS) condition.
Solution
Update the Software
Update to the appropriate version according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| Apache Software Foundation | S2-041 - Possible DoS attack when using URLValidator |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score:
5.3
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
CVSS v2
AV:N/AC:L/Au:N/C:N/I:N/A:P
Base Score:
5.0
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
ASAI Ken reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
|
| JPCERT Reports |
|
| CERT Advisory |
|
| CPNI Advisory |
|
| TRnotes |
|
| CVE |
CVE-2016-4465 |
| JVN iPedia |
JVNDB-2016-000114 |