SB2020051268 - Denial of service in Microsoft Windows Transport Layer Security
Published: May 12, 2020
Security Bulletin ID
SB2020051268
Severity
High
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) Input validation error (CVE-ID: CVE-2020-1118)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the Windows implementation of Transport Layer Security (TLS) improperly handles certain key exchanges. A remote attacker can send a specially crafted request to a target system utilizing TLS 1.2 or lower and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.