SB2016021009 - Authenticatoin bypass in Microsoft Windows



SB2016021009 - Authenticatoin bypass in Microsoft Windows

Published: February 10, 2016 Updated: April 7, 2020

Security Bulletin ID SB2016021009
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Authentication (CVE-ID: CVE-2016-0049)

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to security feature bypass in Windows when Kerberos fails to check the password change of a user signing into a workstation.  An attacker could bypass Kerberos authentication by connecting a workstation to a malicious Kerberos Key Distribution Center (KDC) and gain access to sensitive data.


Remediation

Install update from vendor's website.