FreeBSD : openvpn -- denial of service: malicious authenticated 'tap' client can deplete server virtual memory (1986449a-8b74-40fa-b7cc-0d8def8aad65)
Low Nessus Plugin ID 21391
SynopsisThe remote FreeBSD host is missing a security-related update.
DescriptionJames Yonan reports :
A malicious [authenticated] client in 'dev tap' ethernet bridging mode could theoretically flood the server with packets appearing to come from hundreds of thousands of different MAC addresses, causing the OpenVPN process to deplete system virtual memory as it expands its internal routing table.
SolutionUpdate the affected package.