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Vulnerability of Apache Struts: denial of service via Read Only Upload

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Read Only Upload of Apache Struts, in order to trigger a denial of service.
Vulnerable systems: Struts, BIG-IP Hardware, TMOS, SAP CRM, SAP ERP, NetWeaver.
Severity of this threat: 2/4.
Creation date: 13/08/2020.
Références of this weakness: CERTFR-2020-AVI-5, CERTFR-2020-AVI-578, CVE-2019-0233, K35226442, S2-060, VIGILANCE-VUL-33074.

Description of the vulnerability 

An attacker can trigger a fatal error via Read Only Upload of Apache Struts, in order to trigger a denial of service.
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This security threat impacts software or systems such as Struts, BIG-IP Hardware, TMOS, SAP CRM, SAP ERP, NetWeaver.

Our Vigil@nce team determined that the severity of this computer weakness note 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 computer threat alert.

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

F5 BIG-IP AAM: solution for Apache Struts.
The solution is indicated in information sources.

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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