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CVE-2023-51773

Good to know:

Date: December 24, 2023

BACnet Stack before 1.3.2 has a decode function APDU buffer over-read in bacapp_decode_application_data in bacapp.c.

Language: C

Severity Score

7.5

Related Resources (7)

Url: https://github.com/bacnet-stack/bacnet-stack/compare/bacnet-stack-1.3.1...bacnet-stack-1.3.2

Url: https://github.com/bacnet-stack/bacnet-stack/pull/546

Url: https://github.com/bacnet-stack/bacnet-stack/blob/master/CHANGELOG.md

Url: https://github.com/bacnet-stack/bacnet-stack/pull/546/commits/c465412a076ca6c9ddf649612f2b4e1874d8dcb8

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-51773

Url: https://sourceforge.net/p/bacnet/bugs/85/

Url: https://www.mend.io/vulnerability-database/CVE-2023-51773

Severity Score

7.5

Weakness Type (CWE)

Buffer Over-read

CWE-126

Top Fix

Upgrade Version

Upgrade to version bacnet-stack-1.3.2

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	NONE

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