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Vulnerability of Apache Struts: code execution via Double OGNL Evaluation

Synthesis of the vulnerability 

An attacker can use a vulnerability via Double OGNL Evaluation of Apache Struts, in order to run code.
Vulnerable software: Struts, MySQL Community, MySQL Enterprise, Percona Server, SAP CRM, SAP ERP, NetWeaver.
Severity of this announce: 3/4.
Creation date: 13/08/2020.
Références of this computer vulnerability: CERTFR-2020-AVI-509, cpuapr2021, CVE-2019-0230, S2-059, VIGILANCE-VUL-33073.

Description of the vulnerability 

An attacker can use a vulnerability via Double OGNL Evaluation of Apache Struts, in order to run code.
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This threat impacts software or systems such as Struts, MySQL Community, MySQL Enterprise, Percona Server, SAP CRM, SAP ERP, NetWeaver.

Our Vigil@nce team determined that the severity of this computer threat is important.

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 cybersecurity bulletin.

Solutions for this threat 

Apache Struts: version 2.5.22.
The version 2.5.22 is fixed:
  https://struts.apache.org/download.cgi#struts-ga

Oracle MySQL: version 5.7.34.
The version 5.7.34 is fixed:
  https://support.oracle.com/rs?type=doc&id=2764660.1
  https://www.mysql.com/fr/downloads/
  https://dev.mysql.com/downloads/mysql/

Oracle MySQL: version 8.0.24.
The version 8.0.24 is fixed:
  https://support.oracle.com/rs?type=doc&id=2764660.1
  https://www.mysql.com/fr/downloads/
  https://dev.mysql.com/downloads/mysql/

Percona Server: version 5.7.34-37.
The version 5.7.34-37 is fixed:
  https://www.percona.com/

SAP: solution of November 2020.
The solution is available on the SAP site:
  https://support.sap.com/kb-incidents/notifications/security-notes.html
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Computer vulnerabilities tracking service 

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