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Vulnerability of Apache Struts: denial of service via Spring Secured Actions

Synthesis of the vulnerability 

An attacker can generate a fatal error via Spring Secured Actions of Apache Struts, in order to trigger a denial of service.
Vulnerable products: Struts, Oracle Communications, WebLogic.
Severity of this weakness: 2/4.
Creation date: 13/07/2017.
Revision date: 10/08/2017.
Références of this bulletin: 3889403, 3905487, CVE-2017-9787, S2-049, VIGILANCE-VUL-23244.

Description of the vulnerability 

An attacker can generate a fatal error via Spring Secured Actions of Apache Struts, in order to trigger a denial of service.
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This cybersecurity note impacts software or systems such as Struts, Oracle Communications, WebLogic.

Our Vigil@nce team determined that the severity of this computer weakness announce is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this cybersecurity vulnerability.

Solutions for this threat 

Apache Struts: version 2.5.12.
The version 2.5.12 is fixed:
  http://struts.apache.org/docs/version-notes-2512.html

Apache Struts: version 2.3.33.
The version 2.3.33 is fixed:
  https://struts.apache.org/

Oracle: patch for Apache Struts.
A patch is indicated in information sources.
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