Contemporary Control System BASrouter BACnet BASRT-B 2.7.2 Application Protocol Data Unit denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k0.11

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. The vendor was contacted early about this disclosure but did not respond in any way. It is recommended to apply restrictive firewalling. A possible mitigation has been published before and not just after the disclosure of the vulnerability. [Details]

IOB - Indicator of Behavior (1053)

Timeline

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Lang

en1038
de6
sv4
ru2
es2

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Country

us742
de20
ru12
gb10
cn10

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Actors

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Activities

IOC - Indicator of Compromise (43)

These indicators of compromise highlight associated network ranges which are known to be part of research and attack activities.

IDIP rangeActorTypeConfidence
15.42.65.0/24ZusypredictiveHigh
231.170.22.0/24AsyncRATpredictiveHigh
331.171.154.0/24MuddyWaterpredictiveHigh
446.246.3.0/24xHuntpredictiveHigh
547.103.63.0/24CoinMinerpredictiveHigh
6XX.XXX.XXX.X/XXXxxxxxxpredictiveHigh
7XX.XXX.XX.X/XXXxxxxx XxxxxxpredictiveHigh
8XX.XX.XXX.X/XXXxxxxxxxpredictiveHigh
9XX.XX.XXX.X/XXXxxxxxxx XxxxxpredictiveHigh
10XX.XX.XXX.X/XXXxxxxxxpredictiveHigh
11XX.XX.XX.X/XXXxxxxxx XxxxxxxpredictiveHigh
12XX.XX.XXX.X/XXXxxxxxxxxxxxxxxxx XxxpredictiveHigh
13XX.XXX.XX.X/XXXxxxxxxx XxxpredictiveHigh
14XX.XXX.XXX.X/XXXxxxxxxxxxpredictiveHigh
15XX.XXX.XXX.X/XXXxxxxxxxxxxxxpredictiveHigh
16XXX.XXX.XXX.X/XXXxxxxpredictiveHigh
17XXX.XXX.XXX.X/XXXxxxxxxxxxxxxpredictiveHigh
18XXX.XXX.XX.X/XXXxxxxxx XxxxxxxpredictiveHigh
19XXX.X.XXX.X/XXXxxxxxpredictiveHigh
20XXX.XX.XXX.X/XXXxxxxxxxpredictiveHigh
21XXX.XX.XXX.X/XXXxxxxxx Xxxxx XxxxxpredictiveHigh
22XXX.X.XXX.X/XXXxxxxxxpredictiveHigh
23XXX.XXX.XXX.X/XXXxxxxxxpredictiveHigh
24XXX.XXX.XXX.X/XXXxxxxxxpredictiveHigh
25XXX.XXX.XXX.X/XXXxxxpredictiveHigh
26XXX.XXX.XXX.X/XXXxxxxpredictiveHigh
27XXX.XXX.XXX.X/XXXxxxxxx XxxxxxxpredictiveHigh
28XXX.XX.XXX.X/XXXxxxxpredictiveHigh
29XXX.XXX.XXX.X/XXXxxxxxpredictiveHigh
30XXX.XXX.XXX.X/XXXxx XxxxxpredictiveHigh
31XXX.XXX.XXX.X/XXXxxxxpredictiveHigh
32XXX.XXX.XXX.X/XXXxxxxxpredictiveHigh
33XXX.XX.XXX.X/XXXxxxxxxxxpredictiveHigh
34XXX.XXX.XX.X/XXXxxxxpredictiveHigh
35XXX.X.XXX.X/XXXxxxxxxxpredictiveHigh
36XXX.XX.XXX.X/XXXxxxxxxpredictiveHigh
37XXX.XX.XX.X/XXXxxxxxxpredictiveHigh
38XXX.XXX.XXX.X/XXXxxxxpredictiveHigh
39XXX.XX.XX.X/XXXxxxxpredictiveHigh
40XXX.XX.XX.X/XXXxxxxxpredictiveHigh
41XXX.XXX.XXX.X/XXXxxxxpredictiveHigh
42XXX.XXX.XX.X/XXXxxxxxxpredictiveHigh
43XXX.XXX.XX.X/XXXxxxxxpredictiveHigh

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