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Vulnerability of Siemens SIMATIC: memory corruption via Profinet UDP Packets

Synthesis of the vulnerability 

An attacker can trigger a memory corruption via Profinet UDP Packets of Siemens SIMATIC, in order to trigger a denial of service, and possibly to run code.
Impacted products: SIMATIC.
Severity of this bulletin: 3/4.
Creation date: 11/02/2020.
Références of this threat: CERTFR-2020-AVI-077, CERTFR-2020-AVI-090, CVE-2019-19281, SSA-750824, VIGILANCE-VUL-31575.

Description of the vulnerability 

An attacker can trigger a memory corruption via Profinet UDP Packets of Siemens SIMATIC, in order to trigger a denial of service, and possibly to run code.
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This computer threat bulletin impacts software or systems such as SIMATIC.

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

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

An attacker with a expert ability can exploit this computer vulnerability alert.

Solutions for this threat 

Siemens SIMATIC: solution for Profinet UDP Packets.
The solution is indicated in information sources.
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