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kasperskyKaspersky LabKLA20123
HistoryDec 13, 2022 - 12:00 a.m.

KLA20123 Multiple vulnerabilities in Microsoft Developer Tools

2022-12-1300:00:00
Kaspersky Lab
threats.kaspersky.com
149

8.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:S/C:P/I:P/A:P

0.009 Low

EPSS

Percentile

82.1%

JSON

Detect date:

12/13/2022

Severity:

Critical

Description:

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

Exploitation:

Public exploits exist for this vulnerability.

Affected products:

Microsoft .NET Framework 3.5 AND 4.8.1
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
Microsoft .NET Framework 4.8
.NET 7.0
Windows Sysmon
Microsoft .NET Framework 3.5.1
Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)
Microsoft .NET Framework 3.5
Microsoft Visual Studio 2022 version 17.4
.NET 6.0
PowerShell 7.3
Microsoft .NET Framework 4.6.2
Microsoft .NET Framework 3.0 Service Pack 2
Microsoft .NET Framework 3.5 AND 4.8
Microsoft Visual Studio 2022 version 17.2
PowerShell 7.2
Microsoft Visual Studio 2022 version 17.0
Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.5 AND 4.7.2
.NET Core 3.1
Microsoft .NET Framework 3.5 AND 4.6/4.6.2

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-2022-44704
CVE-2022-41076
CVE-2022-41089

Impacts:

ACE

Related products:

Microsoft .NET Framework

CVE-IDS:

CVE-2022-410768.5Critical
CVE-2022-447047.8Critical
CVE-2022-410897.8Critical

KB list:

5021243
5021953
5020880
5021082
5021094
5021093
5021954
5021085
5021092
5021086
5020873
5021080
5020868
5021088
5021095
5021081
5021079
5021091
5021955
5021089
5021090
5021087

Microsoft official advisories:

References

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December 13, 2022-KB5020880 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2
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8.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:S/C:P/I:P/A:P

0.009 Low

EPSS

Percentile

82.1%

JSON
Related for KLA20123
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