CVE-2023-28260: .NET DLL Hijacking Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Unlikely

Patch Tuesday

2023-Apr

Released

2023-04-11

Last Updated

2023-04-13

EPSS Score

1.99% (percentile: 83.6%)

FAQ

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability? Any authenticated user could trigger this vulnerability. It does not require admin or other elevated privileges. According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution? The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

Affected Products (8)

Developer Tools

• .NET 6.0
• .NET 7.0
• Microsoft Visual Studio 2022 version 17.5
• Microsoft Visual Studio 2022 version 17.4
• Microsoft Visual Studio 2022 version 17.2
• Microsoft Visual Studio 2022 version 17.0
• PowerShell 7.3
• PowerShell 7.2

Security Updates (7)

• 5025915
• 5025916
• Release Notes
• Release Notes
• Release Notes
• Release Notes
• Release Notes

Acknowledgments

<a href="https://github.com/ycdxsb">ycdxsb</a> with <a href="http://www.iie.ac.cn/">VARAS@IIE</a>, <a href="https://github.com/ycdxsb">ycdxsb</a> with <a href="http://www.iie.ac.cn/">VARAS@IIE</a>

Revision History

• 2023-04-11: Information published.
• 2023-04-13: Revised the Security Updates table to include PowerShell 7.2 and PowerShell 7.3 because these versions of PowerShell 7 are affected by this vulnerability. See https://github.com/PowerShell/Announcements/issues/39 for more information.