CVE Vulnerability

CVE-2019-12480

BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service in BACnet APDU Layer because a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services. An unauthenticated remote attacker could cause a denial of service (bacserv daemon crash) because there is an invalid read in bacdcode.c during parsing of alarm tag numbers.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://sourceforge.net/p/bacnet/bugs/62/ Exploit Third Party Advisory
https://sourceforge.net/p/bacnet/code/3220
https://sourceforge.net/p/bacnet/code/3224
https://sourceforge.net/p/bacnet/code/3225
https://sourceforge.net/p/bacnet/code/3223
http://packetstormsecurity.com/files/153716/BACnet-Stack-0.8.6-Denial-Of-Service.html
https://1modm.github.io/CVE-2019-12480.html
Configurations

Configuration 1

cpe:2.3:a:bacnet_protocol_stack_project:bacnet_protocol_stack:*:*:*:*:*:*:*:*
Information

Published : 2019-05-30 10:29

Updated : 2019-07-19 07:15

NVD link : CVE-2019-12480

Mitre link : CVE-2019-12480

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read