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
Affects of this vulnearbility to Apache Struts 1 is unknown.
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