Microsoft IIS Malformed File Extension URL DoS

Medium Nessus Plugin ID 10406


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


The remote web server is running a version of IIS that allows remote attackers to cause a denial of service via a long, complex URL that appears to contain a large number of file extensions, aka the 'Malformed Extension Data in URL' vulnerability.


Apply the patches referenced above.

See Also

Plugin Details

Severity: Medium

ID: 10406

File Name: iis_dos_ussrback.nasl

Version: $Revision: 1.43 $

Type: remote

Family: Web Servers

Published: 2000/05/12

Modified: 2017/08/30

Dependencies: 10107, 11919, 17975

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 4.3

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

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:iis

Required KB Items: Settings/ParanoidReport, www/iis

Exploit Available: false

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2000/05/11

Reference Information

CVE: CVE-2000-0408

BID: 1190

OSVDB: 308

MSFT: MS00-030

MSKB: 260205