Division by zero in FastNetMon - CVE-2024-56073
Published: December 30, 2024
Vulnerability identifier: #VU102047
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-56073
CWE-ID: CWE-369
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 a divide by zero error when handling zero-length templates for Netflow v9 within the process_netflow_v9_options_template() function in src/netflow_plugin/netflow_v9_collector.cpp. A remote attacker can perform a denial of service (DoS) attack.
Affected software
FastNetMon
Debian Linux
fastnetmon (Debian package)
Debian Linux
fastnetmon (Debian package)
How to mitigate CVE-2024-56073
Install updates from vendor's website.
FastNetMon - update to 1.2.8
fastnetmon (Debian package) - update to 1.2.4-2+deb12u1
fastnetmon (Debian package) - update to 1.2.4-2+deb12u1