WarFTPd Multiple Command CPU Consumption DoS

Medium Nessus Network Monitor Plugin ID 1842

Synopsis

The remote host is vulnerable to a Denial of Service (DoS) attack.

Description

The remote WarFTPd server is running a 1.71 version. It is possible for a remote user to cause a denial of service on a host running Serv-U FTP Server, G6 FTP Server or WarFTPd Server. Repeatedly submitting an 'a:/' GET or RETR request, appended with arbitrary data, will cause the CPU usage to spike to 100%.

Solution

Upgrade to the latest version of WarFTPd.

Plugin Details

Severity: Medium

ID: 1842

File Name: 1842.prm

Family: FTP Servers

Published: 2004/08/20

Modified: 2016/01/21

Dependencies: 1803, 1804, 3222

Nessus ID: 10822

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:H/RL:U/RC:ND

CVSSv3

Base Score: 5.3

Temporal Score: 5.3

Vector: CVSS3#AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS3#E:H/RL:U/RC:X

Reference Information

BID: 2698

OSVDB: 687