ASP.NET Core Denial of Service Vulnerability (January 2019)

Medium Nessus Plugin ID 121109


The Microsoft ASP.NET Core Hosting Bundle installation on the remote host contains vulnerable package.


A denial of service (DoS) vulnerability exists in ASP.NET Core Hosting Bundle module AspNetCoreModule (ANCM) due to improper handling of web requests. An unauthenticated, remote attacker can exploit this issue, via specially crafted requests, to cause the hosted application to stop responding..


Update ASP.NET Core, remove vulnerable packages and refer to vendor advisory.

See Also

Plugin Details

Severity: Medium

ID: 121109

File Name: smb_nt_ms19_jan_aspdotnet_core_CVE-2019-0548.nasl

Version: 1.3

Type: local

Agent: windows

Family: Windows

Published: 2019/01/11

Updated: 2019/05/01

Dependencies: 13855

Configuration: Enable paranoid mode

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2019-0548

CVSS v2.0

Base Score: 5

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

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/a:microsoft:aspnet_core

Required KB Items: Settings/ParanoidReport

Patch Publication Date: 2019/01/08

Vulnerability Publication Date: 2019/01/08

Reference Information

CVE: CVE-2019-0548

BID: 106410

IAVB: 2019-B-0007