The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Apache Struts: code execution via Namespace Special Configuration

Synthesis of the vulnerability 

An attacker can use a vulnerability via Namespace Special Configuration of Apache Struts, in order to run code.
Impacted software: Struts, Cisco CUCM, Avamar, Unisphere EMC, Oracle Communications, Oracle Fusion Middleware, Oracle GlassFish Server, WebLogic.
Severity of this computer vulnerability: 4/4.
Creation date: 22/08/2018.
Revision date: 23/08/2018.
Références of this announce: 525207, 526176, CERTFR-2018-ALE-010, CERTFR-2018-AVI-405, cisco-sa-20180823-apache-struts, cpujan2019, CVE-2018-11776, DSA-2018-196, S2-057, VIGILANCE-VUL-27058.

Description of the vulnerability 

An attacker can use a vulnerability via Namespace Special Configuration of Apache Struts, in order to run code.
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This threat alert impacts software or systems such as Struts, Cisco CUCM, Avamar, Unisphere EMC, Oracle Communications, Oracle Fusion Middleware, Oracle GlassFish Server, WebLogic.

Our Vigil@nce team determined that the severity of this computer vulnerability bulletin is critical.

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

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

Solutions for this threat 

Apache Struts: version 2.5.17.
The version 2.5.17 is fixed:
  http://struts.apache.org/download.cgi#struts2517

Apache Struts: version 2.3.35.
The version 2.3.35 is fixed:
  http://struts.apache.org/download.cgi#struts-23x

Apache Struts: workaround for Namespace Special Configuration.
A workaround is indicated in the information source.

Cisco: solution for Apache Struts.
The solution is indicated in information sources.

Dell EMC Avamar: solution for Apache Struts.
The solution is indicated in information sources.

Dell EMC Unisphere: solution for Apache Struts.
The solution is indicated in information sources.

Oracle Communications: CPU of January 2019.
A Critical Patch Update is available:
  https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html

Oracle: solution for Struts.
The solution is indicated in information sources.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

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