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kasperskyKaspersky LabKLA11310
HistoryAug 14, 2018 - 12:00 a.m.

KLA11310 ACE vulnerability in Microsoft SQL Server

2018-08-1400:00:00
Kaspersky Lab
threats.kaspersky.com
543

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

10 High

CVSS2

Access Vector

NETWORK

Access 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

0.077 Low

EPSS

Percentile

94.1%

JSON

Detect date:

08/14/2018

Severity:

Critical

Description:

A buffer overflow vulnerability was found in Microsoft SQL Server. Malicious users can exploit this vulnerability via specially crafted query to execute arbitrary code.

Affected products:

Microsoft SQL Server 2016 for x64-based Systems Service Pack 1
Microsoft SQL Server 2016 for x64-based Systems Service Pack 1 (CU)
Microsoft SQL Server 2016 for x64-based Systems Service Pack 2
Microsoft SQL Server 2016 for x64-based Systems Service Pack 2 (CU)
Microsoft SQL Server 2017 for x64-based Systems
Microsoft SQL Server 2017 for x64-based Systems (CU)

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-2018-8273

Impacts:

ACE

Related products:

Microsoft SQL Server

KB list:

4293808
4293805
4293802
4293803
4458621
4458842

Microsoft official advisories:

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Security Updates for Microsoft SQL Server 2016 and 2017 x64 (August 2018) (uncredentialed check)
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Microsoft SQL Server CVE-2018-8273 Remote Code Execution Vulnerability
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KB4293803 - Description of the security update for the Remote Code Execution vulnerability in SQL Server 2017 (GDR): August 14, 2018
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KB4458621 - Description of the security update for the Remote Code Execution vulnerability in SQL Server 2016 SP2 (CU): August 21, 2018
2018-08-14 07:00:00
KB4293802 - Description of the security update for the Remote Code Execution vulnerability in SQL Server 2016 SP2 (GDR): August 14, 2018
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Microsoft Tuesday August 2018
2018-08-14 11:26:00

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

10 High

CVSS2

Access Vector

NETWORK

Access 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

0.077 Low

EPSS

Percentile

94.1%

JSON
Related for KLA11310
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