Security Update for ASP.NET Core January 2018

Medium Nessus Plugin ID 105796

Synopsis

The remote Windows host is affected by multiple ASP.NET Core runtime vulnerabilities.

Description

The remote Windows host has an installation of ASP.NET Core and .NET Core SDK with a version less than 2.1.4. Therefore, the host is affected by multiple vulnerabilities:

- An elevation of privilege vulnerability due to improper sanitization of web requests (CVE-2018-0784)

- A cross-site request forgery that could allow an attacker to change the recovery codes of a victims account. (CVE-2018-0785)

Solution

Update to .NET Core SDK version 2.1.4 or later and refer to vendor advisory for any template-generated ASP.NET Core web applications.

See Also

https://github.com/aspnet/Announcements/issues/284

https://github.com/aspnet/Announcements/issues/285

http://www.nessus.org/u?af8d6135

http://www.nessus.org/u?efd30f91

Plugin Details

Severity: Medium

ID: 105796

File Name: smb_nt_ms18_aspdot_net_214.nasl

Version: 1.7

Type: local

Agent: windows

Family: Windows

Published: 2018/01/13

Modified: 2018/08/03

Dependencies: 104667, 108712

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 6.9

Temporal Score: 5.1

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

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

CVSSv3

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:aspnet_core

Required KB Items: installed_sw/.NET Core SDK Windows, installed_sw/ASP .NET Core Windows

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2018/01/09

Vulnerability Publication Date: 2018/01/09

Reference Information

CVE: CVE-2018-0784, CVE-2018-0785

BID: 102377, 102379