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 Freemarker

Synthesis of the vulnerability 

An attacker can use a vulnerability via Freemarker of Apache Struts, in order to run code.
Vulnerable systems: Struts, Avamar, Unisphere EMC, Oracle Communications, WebLogic.
Severity of this threat: 4/4.
Creation date: 07/09/2017.
Références of this weakness: 3889403, 3905487, 504595, 509396, CVE-2017-12611, ESA-2017-121, ESA-2017-128, S2-053, VIGILANCE-VUL-23756.

Description of the vulnerability 

An attacker can use a vulnerability via Freemarker of Apache Struts, in order to run code.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This cybersecurity weakness impacts software or systems such as Struts, Avamar, Unisphere EMC, Oracle Communications, WebLogic.

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

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

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

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

Apache Struts: workaround for Freemarker.
A workaround is to filter Freemarker data.

EMC Avamar: solution for Apache Struts2 Freemarker.
The solution is indicated in information sources.

EMC Unisphere: solution for Apache Struts2 Freemarker.
The solution is indicated in information sources.

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

Computer vulnerabilities tracking service 

Vigil@nce provides a cybersecurity note. The Vigil@nce vulnerability database contains several thousand vulnerabilities.