Security and Quality Rollup for .NET Framework (May 2017)

Medium Nessus Plugin ID 100056


The remote Windows host has a software framework installed that is affected by a security feature bypass vulnerability.


The version of Microsoft .NET Framework installed on the remote Windows host is missing a security update. It is, therefore, affected by a security bypass vulnerability in the Microsoft .NET Framework and .NET Core components due to a failure to completely validate certificates. An unauthenticated, remote attacker can exploit this to present a certificate that is marked invalid for a specific use, but the component uses it for that purpose, resulting in a bypass of the Enhanced Key Usage taggings.


Microsoft has released a set of patches for Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7

See Also

Plugin Details

Severity: Medium

ID: 100056

File Name: smb_nt_ms17_may_4019112.nasl

Version: $Revision: 1.7 $

Type: local

Agent: windows

Published: 2017/05/09

Modified: 2018/01/30

Dependencies: 13855, 99364, 57033, 51351

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 3.7

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

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


Base Score: 5.3

Temporal Score: 4.6

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

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 Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2017/05/09

Vulnerability Publication Date: 2017/05/09

Reference Information

CVE: CVE-2017-0248

BID: 98117

OSVDB: 157277

MSKB: 4016871, 4019108, 4019109, 4019110, 4019111, 4019112, 4019113, 4019114, 4019115, 4019472, 4019473, 4019474

MSFT: MS17-4016871, MS17-4019108, MS17-4019109, MS17-4019110, MS17-4019111, MS17-4019112, MS17-4019113, MS17-4019114, MS17-4019115, MS17-4019472, MS17-4019473, MS17-4019474

IAVB: 2017-B-0055