A vulnerability classified as critical was found in SEL AcSELerator Architect up to 2.2.24.0. This vulnerability affects an unknown code of the component FTP. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

SEL AcSELerator Architect version 2.2.24.0 and prior can be exploited when the AcSELerator Architect FTP client connects to a malicious FTP server, which may cause denial of service via 100% CPU utilization. Restart of the application is required.

The bug was discovered 07/10/2018. The weakness was published 07/24/2018 (Website). The advisory is shared for download at ics-cert.us-cert.gov. This vulnerability was named CVE-2018-10608 since 05/01/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at 122138 and 122139.

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• AcSELerator Architect

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