CVE-2019-12480

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2019-12480
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-05-30T22:29:00
  • Last Modified Date
  • 2019-07-19T19:15:11
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:bacnet_protocol_stack_project:bacnet_protocol_stack:*:*:*:*:*:*:*:* 1 OR 0.8.6
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-12480
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12480
History
Created Old Value New Value Data Type Notes
2022-05-10 17:40:41 Added to TrackCVE
2022-12-03 21:28:23 2019-05-30T22:29Z 2019-05-30T22:29:00 CVE Published Date updated
2022-12-03 21:28:23 2019-07-19T19:15:11 CVE Modified Date updated
2022-12-03 21:28:23 Modified Vulnerability Status updated