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kasperskyKaspersky LabKLA11897
HistoryDec 11, 2018 - 12:00 a.m.

KLA11897 Multiple vulnerabilities in Microsoft Developer Tools

2018-12-1100:00:00
Kaspersky Lab
threats.kaspersky.com
17

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

High

0.012 Low

EPSS

Percentile

85.6%

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

Below is a complete list of vulnerabilities:

  1. An elevation of privilege vulnerability in Diagnostics Hub Standard Collector Service can be exploited remotely to gain privileges.
  2. A denial of service vulnerability in Microsoft .NET Framework can be exploited remotely via specially crafted requests to cause denial of service.
  3. A remote code execution vulnerability in Microsoft .NET Framework can be exploited remotely to execute arbitrary code.

Original advisories

CVE-2018-8599

CVE-2018-8517

CVE-2018-8540

Related products

Microsoft-.NET-Framework

Microsoft-Visual-Studio

CVE list

CVE-2018-8540 critical

CVE-2018-8517 critical

CVE-2018-8599 critical

KB list

4469516

4470500

4470638

4471329

4471323

4470640

4470498

4471324

4470637

4470601

4470639

4470491

4470641

4470622

4470493

4470600

4471327

4470602

4470492

4470502

4470623

4471321

4470630

4470629

4470499

4470633

4471102

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)

Impacts

  • ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

  • DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

  • PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

  • Microsoft .NET Framework 4.6Microsoft .NET Framework 4.6.2Microsoft .NET Framework 3.5Microsoft .NET Framework 3.5.1Microsoft .NET Framework 4.7/4.7.1/4.7.2Microsoft Visual Studio 2017 version 15.9 (includes 15.1 - 15.8)Microsoft .NET Framework 4.5.2Microsoft .NET Framework 4.7.2Microsoft .NET Framework 3.5 Service Pack 1Microsoft .NET Framework 4.7.1/4.7.2Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Microsoft Visual Studio 2015 Update 3Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2Microsoft Visual Studio 2017

References

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

High

0.012 Low

EPSS

Percentile

85.6%