Multiple vulnerabilities in Microsoft SQL Server

Published: 2023-02-14 | Updated: 2023-02-15

Risk	High
Patch available	YES
Number of vulnerabilities	6
CVE-ID	CVE-2023-21704 CVE-2023-21568 CVE-2023-21705 CVE-2023-21528 CVE-2023-21713 CVE-2023-21718
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Microsoft SQL Server Server applications / Database software
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU72180

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-21704

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft ODBC Driver for SQL Server. A remote user can pass specially crafted input to the server and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: 2014 12.0.2000.8 - 2022 RC1 16.0.950.9

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21704

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU72179

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-21568

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Microsoft SQL Server Integration Service (VS extension). A remote attacker can trick the victim to open a specially crafted file and execute arbitrary code on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: 2014 12.0.2000.8 - 2022 RC1 16.0.950.9

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21568

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Input validation error

EUVDB-ID: #VU72178

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-21705

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send specially crafted data to the SQL server and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: 2014 12.0.2000.8 - 2022 RC1 16.0.950.9

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21705

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Input validation error

EUVDB-ID: #VU72177

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-21528

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send specially crafted data to the SQL server and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: 2014 12.0.2000.8 - 2022 RC1 16.0.950.9

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21528

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Input validation error

EUVDB-ID: #VU72176

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-21713

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send specially crafted data to the SQL server and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: 2014 12.0.2000.8 - 2022 RC1 16.0.950.9

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21713

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Input validation error

EUVDB-ID: #VU72224

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-21718

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft SQL ODBC Driver. A remote attacker can trick the victim to connect to a malicious SQL server database via ODBC and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: 2014 12.0.2000.8 - 2022 RC1 16.0.950.9

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21718

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.