BACnet Stack up to 1.3.1 APDU bacapp.c bacapp_decode_application_data buffer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability was found in BACnet Stack up to 1.3.1. It has been classified as critical. This affects the function bacapp_decode_application_data
of the file bacapp.c of the component APDU Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
BACnet Stack before 1.3.2 has a decode function APDU buffer over-read in bacapp_decode_application_data in bacapp.c.
The weakness was shared 12/25/2023. The advisory is shared at sourceforge.net. This vulnerability is uniquely identified as CVE-2023-51773. Technical details are known, but no exploit is available.
Upgrading to version 1.3.2 eliminates this vulnerability.
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: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Stack 1.3.2
Patch: github.com
Timeline
12/25/2023 🔍12/25/2023 🔍
12/25/2023 🔍
01/19/2024 🔍
Sources
Advisory: sourceforge.netStatus: Confirmed
CVE: CVE-2023-51773 (🔍)
Entry
Created: 12/25/2023 10:25 PMUpdated: 01/19/2024 09:21 AM
Changes: 12/25/2023 10:25 PM (41), 01/19/2024 09:21 AM (2)
Complete: 🔍
Cache ID: 18:352:40
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