#VU85244 Security features bypass in Microsoft products - CVE-2024-0056

Vulnerability identifier: #VU85244

Vulnerability risk: High

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-0056

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
System.Data.SqlClient
Other software / Other software solutions
Microsoft.Data.SqlClient
Other software / Other software solutions
.NET
Other software / Other software solutions
Visual Studio
Universal components / Libraries / Software for developers
Microsoft SQL Server
Server applications / Database software
Microsoft .NET Framework
Server applications / Frameworks for developing and running applications

Vendor: Microsoft

Description

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

The vulnerability exists due to security features bypass in Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider. A remote attacker can evade the encryption used in a TLS connection.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

System.Data.SqlClient: All versions

Microsoft.Data.SqlClient: 2.1 - 5.1

Visual Studio: 2022 version 17.2, 2022 version 17.4, 2022 version 17.6, 2022 version 17.8

Microsoft SQL Server: 2022

Microsoft .NET Framework: 2.0 Service Pack 2 , 3.5, 4.6.2, 4.7 - 4.7.2, 4.8 - 4.8.1

.NET: 6.0.0, 7.0.0, 8.0.0

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External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-0056

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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