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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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

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Configurations

Configuration 1 (hide)

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

Information

Published : 2019-05-30 15:29

Updated : 2019-07-19 12:15

NVD link : CVE-2019-12480

Mitre link : CVE-2019-12480

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

bacnet_protocol_stack_project

bacnet_protocol_stack

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