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Vulnerability of Apache Struts: code execution via REST XStream

Synthesis of the vulnerability 

An attacker can use a vulnerability via REST XStream of Apache Struts, in order to run code.
Vulnerable software: Struts, Oracle Communications, WebLogic.
Severity of this announce: 4/4.
Creation date: 07/09/2017.
Références of this computer vulnerability: 3889403, 3905487, CERTFR-2017-AVI-285, CVE-2017-9805, S2-052, VIGILANCE-VUL-23755, VU#112992.

Description of the vulnerability 

An attacker can use a vulnerability via REST XStream of Apache Struts, in order to run code.
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This cybersecurity announce impacts software or systems such as Struts, Oracle Communications, WebLogic.

Our Vigil@nce team determined that the severity of this threat alert is critical.

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

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a beginner ability can exploit this computer weakness alert.

Solutions for this threat 

Apache Struts: version 2.5.13.
The version 2.5.13 is fixed:
  http://struts.apache.org/

Apache Struts: version 2.3.34.
The version 2.3.34 is fixed:
  http://struts.apache.org/

Apache Struts: workaround for REST XStream.
A workaround is indicated in the information source.

Oracle: patch for Apache Struts.
A patch is indicated in information sources.
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Computer vulnerabilities tracking service 

Vigil@nce provides computer security patches. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.