SB2021120816 - Denial of service in Red Hat OpenShift Service Mesh
Published: December 8, 2021
Security Bulletin ID
SB2021120816
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) Excessive Iteration (CVE-ID: CVE-2021-32778)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the Envoy is configured with high limit on H/2 concurrent streams. A remote attacker can cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.