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Vulnerability of SIMATIC WinAC RTX F 2010: denial of service via Large HTTP Request

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Large HTTP Request of SIMATIC WinAC RTX F 2010, in order to trigger a denial of service.
Vulnerable systems: SIMATIC.
Severity of this threat: 2/4.
Creation date: 09/10/2019.
Références of this weakness: CERTFR-2019-AVI-489, CVE-2019-13921, SSA-878278, VIGILANCE-VUL-30560.

Description of the vulnerability 

An attacker can trigger a fatal error via Large HTTP Request of SIMATIC WinAC RTX F 2010, in order to trigger a denial of service.
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This threat bulletin impacts software or systems such as SIMATIC.

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

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 threat.

Solutions for this threat 

SIMATIC WinAC RTX F 2010: workaround for Large HTTP Request.
A workaround is indicated in the information source.
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