skarg BACnet Protocol Stack 0.8.5 BACnet/IP BVLC bvlc.c Packet memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.5 | $0-$5k | 0.00 |
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.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB 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: 🔍
CVSSv2
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
04/18/2018 🔍04/20/2018 🔍
04/20/2018 🔍
04/20/2018 🔍
04/21/2018 🔍
01/30/2020 🔍
Sources
Advisory: sourceforge.netStatus: Not defined
Confirmation: 🔍
CVE: CVE-2018-10238 (🔍)
Entry
Created: 04/21/2018 18:38Updated: 01/30/2020 10:27
Changes: 04/21/2018 18:38 (58), 01/30/2020 10:27 (2)
Complete: 🔍
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