SB2024011132 - Ubuntu update for dotnet6



SB2024011132 - Ubuntu update for dotnet6

Published: January 11, 2024

Security Bulletin ID SB2024011132
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Security features bypass (CVE-ID: CVE-2024-0057)

CWE-ID: CWE-254 - Security Features

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


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to security features bypass in NET, .NET Framework and Visual Studio. A remote attacker can present an arbitrary untrusted certificate with malformed signatures and bypass the security feature.


2) Input validation error (CVE-ID: CVE-2024-21319)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the Microsoft Identity. A remote administrator can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.