Serv-U 2.5e Null Byte Saturation DoS

medium Nessus Plugin ID 10488

Synopsis

The remote FTP server is affected by a remote denial of service vulnerability.

Description

It is possible to crash the remote FTP service by sending it a large number of null bytes. An attacker could exploit this flaw to deny access to the FTP server.

Solution

Upgrade to FTP Serv-U 2.5f or later.

See Also

https://seclists.org/bugtraq/2000/Aug/58

Plugin Details

Severity: Medium

ID: 10488

File Name: ftp_servu_dos2.nasl

Version: 1.35

Type: remote

Family: FTP

Published: 8/4/2000

Updated: 11/15/2018

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

Required KB Items: Settings/ParanoidReport, ftp/servu

Vulnerability Publication Date: 8/4/2000

Reference Information

CVE: CVE-2000-0837

BID: 1543