CVE-2019-12480

HIGH

Bacnet Protocol Stack < 0.8.6 - Out-of-Bounds Read

Title source: rule

Description

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.

Exploits (1)

exploitdb WORKING POC

by mmorillo · pythondoslinux

https://www.exploit-db.com/exploits/47148

View Code ZIP pw:eip

References (7)

[Exploit, Third Party Advisory] https://sourceforge.net/p/bacnet/bugs/62/

[Product] https://sourceforge.net/p/bacnet/code/3220

[Product] https://sourceforge.net/p/bacnet/code/3223

[Product] https://sourceforge.net/p/bacnet/code/3224

[Product] https://sourceforge.net/p/bacnet/code/3225

[Exploit, Third Party Advisory] http://packetstormsecurity.com/files/153716/BACnet-Stack-0.8.6-Denial-Of-Service.html

[Various Sources] https://1modm.github.io/CVE-2019-12480.html

Scores

CVSS v3 7.5

EPSS 0.1547

EPSS Percentile 94.7%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-125

Status published

Products (1)

bacnet_protocol_stack_project/bacnet_protocol_stack < 0.8.6

Published May 30, 2019

Tracked Since Feb 18, 2026