SB2023061352 - Multiple vulnerabilities in Microsoft .NET and Visual Studio
Published: June 13, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-33135)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in .NET and Visual Studio. A remote user can trick a victim to open a specially crafted file and gain elevated privileges on the system.
2) Input validation error (CVE-ID: CVE-2023-32030)
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 in .NET and Visual Studio. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-32032)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in .NET and Visual Studio, which leads to security restrictions bypass and privilege escalation.
4) Input validation error (CVE-ID: CVE-2023-33126)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in .NET and Visual Studio. A remote user can trick a victim to open a specially crafted file and execute arbitrary code on the target system.
5) Input validation error (CVE-ID: CVE-2023-33128)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in .NET and Visual Studio. A remote user can pass specially crafted input to the application and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-33135
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-32030
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-32032
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-33126
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-33128