SB2023061357 - Multiple vulnerabilities in Microsoft .NET, .NET Framework and Visual Studio

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Main Vulnerability Database SB2023061357

SB2023061357 - Multiple vulnerabilities in Microsoft .NET, .NET Framework and Visual Studio

Published: June 13, 2023

Security Bulletin ID SB2023061357
CSH Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 75% Medium 25%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Input validation error (CVE-ID: CVE-2023-29331)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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, .NET Framework, and Visual Studio. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


2) Input validation error (CVE-ID: CVE-2023-24897)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


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, .NET Framework, and Visual Studio. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.


3) Input validation error (CVE-ID: CVE-2023-24895)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


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, .NET Framework, and Visual Studio. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.


4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-24936)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

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


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, .NET Framework, and Visual Studio, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.

References