CVE-2024-4791

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. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-263890 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness

The product does not release or incorrectly releases a resource before it is made available for re-use.

Potential Mitigations

• Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
• For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/125.html
• https://cwe.mitre.org/data/definitions/130.html
• https://cwe.mitre.org/data/definitions/131.html
• https://cwe.mitre.org/data/definitions/494.html
• https://cwe.mitre.org/data/definitions/495.html
• https://cwe.mitre.org/data/definitions/496.html
• https://cwe.mitre.org/data/definitions/666.html

References

• https://github.com/isZzzz/BASRT-B_BACnet_Router_Document/blob/main/BASER-B_APDU.pcapng
• https://github.com/isZzzz/BASRT-B_BACnet_Router_Document/blob/main/BASRT-B_2_CVE_apply.pdf
• https://vuldb.com/?ctiid.263890
• https://vuldb.com/?id.263890
• https://vuldb.com/?submit.323630
• https://github.com/isZzzz/BASRT-B_BACnet_Router_Document/blob/main/BASER-B_APDU.pcapng
• https://github.com/isZzzz/BASRT-B_BACnet_Router_Document/blob/main/BASRT-B_2_CVE_apply.pdf
• https://vuldb.com/?ctiid.263890
• https://vuldb.com/?id.263890
• https://vuldb.com/?submit.323630