#Security Vulnerability

**If I am using System.Data.SqlClient or Microsoft.Data.SqlClient, what do I need to do to be protected from this vulnerability?** Customers using either the System.Data.SqlClient or Microsoft.Data.SqlClient NuGet Packages need to do the following to be protected: * If you are using System.Data.SqlClient on .NET Framework you must install the November update for .NET Framework * If you are using System.Data.SqlClient on .NET Core, .NET 5 or .NET 6 you must update the nuget package to an updated version as listed in the affected packages. * If you are using Microsoft.Data.SqlClient, anywhere (.NET Core, .NET 5/6, .NET Framework) and you are using a version that is vulnerable you must update as listed in the affected packages. Please see Microsoft Security Advisory CVE 2022-41064 | .NET Information Disclosure Vulnerability for more information.

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to win a race condition.

**What privileges could an attacker gain?** An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

**According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?** This vulnerability requires that a user with an affected version of Windows access a malicious server. An attacker would have to host a specially crafted server share or website. An attacker would have no way to force users to visit this specially crafted server share or website, but would have to convince them to visit the server share or website, typically by way of an enticement in an email or chat message.

**According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?** Successful exploitation of this vulnerability requires an attacker to gather information specific to the environment of the targeted component.

**According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?** Successful exploitation of this vulnerability could allow a Hyper-V guest to affect the functionality of the Hyper-V host.

**Upon successful exploitation, what privileges could an attacker gain?** An attacker who successfully exploited this vulnerability could gain administrator privileges.

**What type of information could be disclosed by this vulnerability?** The type of information that could be disclosed if an attacker successfully exploited this vulnerability is sensitive information.

**Upon successful exploitation, what privileges could an attacker gain?** An attacker who successfully exploited this vulnerability could gain administrator privileges.

**What privileges could an attacker gain?** An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.