MS02-018: Microsoft IIS FTP Status Request DoS (uncredentialed check)

medium Nessus Plugin ID 10934

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Synopsis

The remote FTP server is prone to a denial of service attack.

Description

It was possible to make the remote FTP server crash by sending the command 'STAT *?AAAAA....AAAAA'.

There is a bug in certain versions of Microsoft's FTP server that can be exploited in this fashion. Other FTP servers may also react adversely to such a string. An attacker may leverage this issue to crash the affected service and deny usage to legitimate users.

Solution

Microsoft has released a set of patches for IIS 4.0, 5.0, and 5.1.

Plugin Details

Severity: Medium

ID: 10934

File Name: msftp_dos.nasl

Version: 1.53

Type: remote

Family: FTP

Published: 4/10/2002

Updated: 4/11/2022

Configuration: Enable paranoid mode, Enable thorough checks

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Vulnerability Information

CPE: cpe:/o:microsoft:windows, cpe:/a:microsoft:internet_information_server

Required KB Items: Settings/ParanoidReport

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/10/2002

Reference Information

CVE: CVE-2002-0073

BID: 4482

MSFT: MS02-018

MSKB: 319733

Detections

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