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: 6.9 [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]
CVE-ID: CVE-2024-36845
CWE-ID: CWE-763
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

libmodbus

How to mitigate CVE-2024-36845

Install updates from vendor's website.

libmodbus - update to 3.1.7

External References

Related Security Bulletins