Heap Overflow Vulnerability in libmodbus v3.1.6
CVE-2024-36843

7.5HIGH

Key Information:

Vendor

libmodbus

Status
LIBModbus
Vendor
CVE Published:
31 May 2024

What is CVE-2024-36843?

A vulnerability has been identified in libmodbus v3.1.6 that allows for a heap overflow through the modbus_mapping_free() function. This flaw could enable attackers to exploit memory corruption, potentially leading to unauthorized access or application crashes. The vulnerability emphasizes the need for timely security updates and comprehensive code review practices in library management.

References

https://github.com/stephane/libmodbus/issues/748
https://github.com/balckgu1/libmodbusPoc/blob/main/gdb.md

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
.
CVE-2024-36843 : Heap Overflow Vulnerability in libmodbus v3.1.6