Release of invalid pointer or reference in libmodbus - CVE-2024-36845

 

Release of invalid pointer or reference in libmodbus - CVE-2024-36845

Published: June 4, 2024


Vulnerability identifier: #VU90986
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2024-36845
CWE-ID: CWE-763
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: libmodbus.org
Affected software:
libmodbus

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to invalid pointer in the modbus_receive() function. A remote authenticated attacker can send a specially crafted message to the unit-test-server and cause a denial of service condition in the target system.


How to mitigate CVE-2024-36845

Install updates from vendor's website.

Sources