SB2023080903 - Ubuntu update for dotnet6 

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Main Vulnerability Database SB2023080903

SB2023080903 - Ubuntu update for dotnet6

Published: August 9, 2023

Security Bulletin ID SB2023080903
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 67% Medium 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2023-35390)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in .NET and Visual Studio. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the system.


2) Input validation error (CVE-ID: CVE-2023-38178)

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


3) Input validation error (CVE-ID: CVE-2023-38180)

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. A remote attacker can send  specially crafted input to the application and perform a denial of service (DoS) attack.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.

References