Intrusion PreventionApache.Struts.2.URLValidator.DoS
Description
This indicates an attack attempt to exploit a Denial of Service vulnerability in Apache Struts.
The vulnerability is due to insufficient validation of user supplied inputs when handling crafted URL. A remote attacker may be able to exploit this to perform a Denial of Service attack on a targeted system, via a crafted request.
Affected Products
Apache Software Foundation Struts 2 2.3.20 through 2.3.28.1
Apache Software Foundation Struts 2 2.5
Impact
Denial of Service: Remote attackers can crash vulnerable systems.
Recommended Actions
Refer to the vendor's advisory for updates:
https://cwiki.apache.org/confluence/display/WW/S2-041
Telemetry
Coverage
| IPS (Regular DB) | |
| IPS (Extended DB) |
Version Updates
| Date | Version | Detail |
|---|---|---|
| 2019-06-10 | 14.629 | Severity:high:medium |
| 2019-03-06 | 14.566 | Sig Added |
| ID | 42677 |
| Created | Aug 03, 2016 |
| Updated | Oct 08, 2020 |
| Risk |
|
| CVE ID | CVE-2016-4465 |
| Exploit Prediction Score | 95.9% |
| Default Action | drop |
| Active | |
| Affected OS | All |
| Affected App | Apache |