SB2019020812 - Denial of service in Apache Tomcat
Published: February 8, 2019 Updated: March 25, 2019
Security Bulletin ID
SB2019020812
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) Resource exhaustion (CVE-ID: CVE-2019-0199)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists within the HTTP/2 implementation in Apache Tomcat that accepts streams with excessive numbers of SETTINGS frames and also permits clients to keep streams open without reading/writing request/response data. A remote attacker can exhaust all available threads on the server and perform denial of service attack.
Remediation
Install update from vendor's website.