Heap-based buffer overflow in libmodbus - CVE-2024-36843

 

Heap-based buffer overflow in libmodbus - CVE-2024-36843

Published: June 4, 2024


Vulnerability identifier: #VU90985
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2024-36843
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libmodbus
Software vendor:
libmodbus.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the modbus_mapping_free() function. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links