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Siemens addressed several DoS flaws in many products

Siemens Patch Tuesday updates for April 2019 address several serious vulnerabilities, including some DoS flaws in many industrial products.

Siemens has released Patch Tuesday updates that address several serious flaws including some DoS vulnerabilities. Siemens published six new advisories that cover a total of 11 vulnerabilities.

One of the issues addressed by Siemens is a high-severity DoS vulnerability (CVE-2019-6575) that affects some the SIMATIC, SINEC-NMS, SINEMA, SINUMERIK and TeleControl products.

The CVE-2019-6575 vulnerability can be exploited by a remote, unauthenticated attacker to cause a DoS condition in OPC communications component or crash a device by sending it specially crafted network packets on TCP port 4840.

“A vulnerability has been identified in the OPC UA server of several industrial products. The vulnerability could cause a Denial-of-Service condition on the service or the device.” reads the security advisory published by Siemens.

Siemens also fixed...(continued)

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