SB2022020210 - Denial of service in Undertow
Published: February 2, 2022 Updated: February 3, 2022
Security Bulletin ID
SB2022020210
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 management error (CVE-ID: CVE-2021-3859)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of client side invocation timeout within the application when handling HTTP/2 requests. A remote attacker can send specially crafted requests to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.