7.5
HIGH
CVE-2019-12480
BACnet Denial of Service Remote Vulnerability
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.

INFO

Published Date :

May 30, 2019, 10:29 p.m.

Last Modified :

July 19, 2019, 7:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2019-12480 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-12480 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Bacnet_protocol_stack_project bacnet_protocol_stack
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Python

Updated: 10 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Dec. 29, 2023, 5:57 p.m. This repo has been linked 1 different CVEs too.

My personal OT resource list, gather throughout research and internet adventure.

HTML

Updated: 2 months ago
33 stars 6 fork 6 watcher
Born at : July 19, 2023, 5:50 p.m. This repo has been linked 1 different CVEs too.

Security-oriented list of resources about industrial network protocols.

Python

Updated: 2 months ago
450 stars 54 fork 54 watcher
Born at : June 16, 2023, 9:50 a.m. This repo has been linked 1 different CVEs too.

Collection of writeups on ICS/SCADA security.

ics ics-security scada scada-security awesome writeups infosec hacking hardware-hacking awesome-list

Updated: 2 months ago
145 stars 23 fork 23 watcher
Born at : Dec. 30, 2020, 3:23 p.m. This repo has been linked 10 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-12480 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-12480 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Aug. 22, 2019

    Action Type Old Value New Value
    Added Reference https://1modm.github.io/CVE-2019-12480.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 25, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/153716/BACnet-Stack-0.8.6-Denial-Of-Service.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 19, 2019

    Action Type Old Value New Value
    Added Reference https://sourceforge.net/p/bacnet/code/3220 [No Types Assigned]
    Added Reference https://sourceforge.net/p/bacnet/code/3224 [No Types Assigned]
    Added Reference https://sourceforge.net/p/bacnet/code/3225 [No Types Assigned]
    Added Reference https://sourceforge.net/p/bacnet/code/3223 [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 31, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://sourceforge.net/p/bacnet/bugs/62/ No Types Assigned https://sourceforge.net/p/bacnet/bugs/62/ Exploit, Third Party Advisory
    Added CWE CWE-125
    Added CPE Configuration OR *cpe:2.3:a:bacnet_protocol_stack_project:bacnet_protocol_stack:*:*:*:*:*:*:*:* versions up to (including) 0.8.6
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-12480 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-12480 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

7.56 }} 0.99%

score

0.94132

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
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