CVE-2019-5636

When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal. This issue affects TwinCAT 2 version 2304 and prior and TwinCAT 3.1 version 4204.0 and prior...

CVE-2019-5636

CVE-2019-5636: A Beckhoff TwinCAT Runtime can trigger a shutdown of the ADS Discovery Service when receiving a malformed UDP packet, while TwinCAT devices continue functioning. Affected: TwinCAT 2 v2304 and earlier; TwinCAT 3.1 v4204.0 and earlier. Root cause: malformed UDP handling leads to serv...

CVE-2018-7502

Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges...

Null pointer dereference

Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges...