SB2017011011 - Local Security Authority Subsystem Service Denial of Service Vulnerability
Published: January 10, 2017
Security Bulletin ID
SB2017011011
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2017-0004)
The vulnerability allows a remote attacker to cause denial of service conditions.
The vulnerability exists due to the way the Local Security Authority Subsystem Service (LSASS) handles authentication requests. A remote unauthenticated attacker can send a specially crafted authentication request to vulnerable system and trigger its automatic reboot.
Successful exploitation of the vulnerability will result in denial of service attack.
Remediation
Install update from vendor's website.