VDB-116914 · CVE-2018-10238 · GCVE-0-2018-10238

skarg BACnet Protocol Stack 0.8.5 BACnet/IP BVLC bvlc.c Packet memory corruption

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.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in skarg BACnet Protocol Stack 0.8.5. The affected element is an unknown function of the file bvlc.c of the component BACnet/IP BVLC. Executing a manipulation as part of Packet can lead to memory corruption. The identification of this vulnerability is CVE-2018-10238. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in skarg BACnet Protocol Stack 0.8.5 and classified as critical. This vulnerability affects an unknown function of the file bvlc.c of the component BACnet/IP BVLC. The manipulation as part of a Packet leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

bvlc.c in skarg BACnet Protocol Stack 0.8.5 has a buffer overflow in BACnet/IP BVLC packet processing because of a lack of packet-size validation.

The bug was discovered 04/18/2018. The weakness was shared 04/20/2018 (Website). The advisory is available at sourceforge.net. This vulnerability was named CVE-2018-10238 since 04/20/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

skarg

Name

BACnet Protocol Stack

Version

0.8.5

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/18/2018 🔍
04/20/2018 +1 days 🔍
04/20/2018 +0 days 🔍
04/20/2018 +0 days 🔍
04/21/2018 +1 days 🔍
01/30/2020 +649 days 🔍

Sourcesinfo

Advisory: sourceforge.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-10238 (🔍)
GCVE (CVE): GCVE-0-2018-10238
GCVE (VulDB): GCVE-100-116914

Entryinfo

Created: 04/21/2018 18:38
Updated: 01/30/2020 10:27
Changes: 04/21/2018 18:38 (58), 01/30/2020 10:27 (2)
Complete: 🔍
Cache ID: 216::103