Security Updates for Microsoft .NET Framework (February 2019)

high Nessus Plugin ID 122234

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Synopsis

The Microsoft .NET Framework installation on the remote host is affected by multiple vulnerabilities.

Description

The Microsoft .NET Framework installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities :

- A remote code execution vulnerability exists in .NET Framework and Visual Studio software when the software fails to check the source markup of a file. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0613)

- A vulnerability exists in certain .Net Framework API's and Visual Studio in the way they parse URL's. An attacker who successfully exploited this vulnerability could use it to bypass security logic intended to ensure that a user-provided URL belonged to a specific hostname or a subdomain of that hostname. This could be used to cause privileged communication to be made to an untrusted service as if it was a trusted service.
(CVE-2019-0657)

- An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory.
To exploit this vulnerability, an authenticated attacker could run a specially crafted application. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user's system.
(CVE-2019-0663)

Solution

Microsoft has released security updates for Microsoft .NET Framework.

Plugin Details

Severity: High

ID: 122234

File Name: smb_nt_ms19_feb_dotnet.nasl

Version: 1.6

Type: local

Agent: windows

Family: Windows : Microsoft Bulletins

Published: 2/15/2019

Updated: 4/28/2020

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

CVSS Score Source: CVE-2019-0613

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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:.net_framework

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 2/12/2019

Vulnerability Publication Date: 2/12/2019

Reference Information

CVE: CVE-2019-0613, CVE-2019-0657, CVE-2019-0663

BID: 106872, 106890

MSFT: MS19-4483449, MS19-4483450, MS19-4483451, MS19-4483452, MS19-4483453, MS19-4483454, MS19-4483455, MS19-4483456, MS19-4483457, MS19-4483458, MS19-4483459, MS19-4483468, MS19-4483469, MS19-4483470, MS19-4483472, MS19-4483473, MS19-4483474, MS19-4483481, MS19-4483482, MS19-4483483, MS19-4483484, MS19-4486996, MS19-4487017, MS19-4487018, MS19-4487020, MS19-4487026

MSKB: 4483449, 4483450, 4483451, 4483452, 4483453, 4483454, 4483455, 4483456, 4483457, 4483458, 4483459, 4483468, 4483469, 4483470, 4483472, 4483473, 4483474, 4483481, 4483482, 4483483, 4483484, 4486996, 4487017, 4487018, 4487020, 4487026

Detections

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