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kasperskyKaspersky LabKLA11956
HistorySep 08, 2020 - 12:00 a.m.

KLA11956 Multiple vulnerabilities in Microsoft Developer Tools

2020-09-0800:00:00
Kaspersky Lab
threats.kaspersky.com
31

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.015 Low

EPSS

Percentile

86.8%

Detect date:

09/08/2020

Severity:

Critical

Description:

Multiple vulnerabilities were found in Microsoft Developer Tools. Malicious users can exploit these vulnerabilities to gain privileges, execute arbitrary code, bypass security restrictions.

Affected products:

ASP.NET Core 3.1
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
Microsoft Visual Studio 2019 version 16.0
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
Visual Studio Code
ASP.NET Core 2.1
Microsoft Visual Studio 2013 Update 5
Microsoft Visual Studio 2012 Update 5
Microsoft Visual Studio 2015 Update 3
PowerShell 7.1
PowerShell 7.0
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)

Solution:

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories:

CVE-2020-1130
CVE-2020-1133
CVE-2020-16874
CVE-2020-16881
CVE-2020-1045
CVE-2020-16856
CVE-2020-0951

Impacts:

ACE

Related products:

Microsoft Visual Studio

CVE-IDS:

CVE-2020-11306.6High
CVE-2020-09516.7High
CVE-2020-11335.5High
CVE-2020-168747.8Critical
CVE-2020-168817.8Critical
CVE-2020-10457.5Critical
CVE-2020-168567.8Critical

KB list:

4576950
4571480
4571481

Microsoft official advisories:

References

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.015 Low

EPSS

Percentile

86.8%