Contemporary Control System BASrouter BACnet BASRT-B 2.7.2 Application Protocol Data Unit denial of service
Overview
A vulnerability classified as critical was found in Contemporary Control System BASrouter BACnet BASRT-B 2.7.2. This vulnerability affects unknown code of the component Application Protocol Data Unit. The manipulation leads to denial of service. Using CWE to declare the problem leads to CWE-404. The weakness was published 05/11/2024. The advisory is available at github.com. This vulnerability was named CVE-2024-4791. The attack can be initiated remotely. There are no technical details available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment. This vulnerability is assigned to T1499 by the MITRE ATT&CK project. It is declared as Proof-of-Concept. It is possible to download the exploit at github.com. As 0-day the estimated underground price was around $0-$5k. It is recommended to apply restrictive firewalling. The vendor was contacted early about this disclosure but did not respond in any way. [Details]
IOB - Indicator of Behavior (260)
Timeline
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Activities
IOC - Indicator of Compromise (7)
These indicators of compromise highlight associated network ranges which are known to be part of research and attack activities.
| ID | IP range | Actor | Type | Confidence |
|---|---|---|---|---|
| 1 | 3.123.24.0/24 | Meterpreter | predictive | High |
| 2 | XX.XXX.X.X/XX | Xxxxxx Xxxxxx | predictive | High |
| 3 | XX.XX.XXX.X/XX | Xxxxxx Xxxxxxx | predictive | High |
| 4 | XX.XX.XXX.X/XX | Xxxxxxxx | predictive | High |
| 5 | XXX.XX.XX.X/XX | Xxxxxx Xxxxxx | predictive | High |
| 6 | XXX.XX.XX.X/XX | Xxxxx | predictive | High |
| 7 | XXX.XXX.XXX.X/XX | Xxxxxx Xxxxxx Xx Xxxxxxx | predictive | High |