BACnet Protocol Stack up to 0.8.6 bacserv Daemon bacdcode.c out-of-bounds

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in BACnet Protocol Stack up to 0.8.6. Affected by this vulnerability is an unknown functionality of the file bacdcode.c of the component bacserv Daemon. Such manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2019-12480. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in BACnet Protocol Stack up to 0.8.6. Affected by this issue is an unknown part of the file bacdcode.c of the component bacserv Daemon. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:

BACnet Protocol Stack through 0.8.6 could allow an unauthenticated, remote attacker to cause a denial of service (bacserv daemon crash) because there is an invalid read in bacdcode.c during parsing of alarm tag numbers.

The weakness was published 05/30/2019. This vulnerability is handled as CVE-2019-12480 since 05/30/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (47148). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

BACnet Protocol Stack

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/30/2019 🔍
05/30/2019 +0 days 🔍
05/31/2019 +1 days 🔍
12/21/2024 +2031 days 🔍

Sourcesinfo

Advisory: 153716
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-12480 (🔍)
GCVE (CVE): GCVE-0-2019-12480
GCVE (VulDB): GCVE-100-135740
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/31/2019 06:51
Updated: 12/21/2024 14:30
Changes: 05/31/2019 06:51 (52), 06/17/2020 12:05 (1), 09/25/2023 11:17 (4), 06/16/2024 17:09 (22), 12/21/2024 14:30 (6)
Complete: 🔍
Cache ID: 216::103