NULL pointer dereference in envoy - CVE-2022-29224

Vulnerability identifier: #VU64155

CSH Severity: Medium

CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-29224

CWE-ID: CWE-476

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the GrpcHealthCheckerImpl. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

envoy
OpenShift Service Mesh
servicemesh-proxy (Red Hat package)
servicemesh (Red Hat package)
servicemesh-cni (Red Hat package)
servicemesh-operator (Red Hat package)
servicemesh-ratelimit (Red Hat package)
servicemesh-prometheus (Red Hat package)

Install update from vendor's website.

envoy - update to 1.22.1
OpenShift Service Mesh - addressed in versions 2.0.10, 2.1.3
servicemesh-proxy (Red Hat package) - addressed in versions 2.0.10-1.el8, 2.1.3-1.el8
servicemesh (Red Hat package) - addressed in versions 2.0.10-1.el8, 2.1.3-1.el8
servicemesh-cni (Red Hat package) - update to 2.0.10-1.el8
servicemesh-operator (Red Hat package) - addressed in versions 2.0.10-1.el8, 2.1.3-2.el8
servicemesh-ratelimit (Red Hat package) - update to 2.1.3-1.el8
servicemesh-prometheus (Red Hat package) - update to 2.23.0-7.el8

• https://github.com/envoyproxy/envoy/security/advisories/GHSA-m4j9-86g3-8f49
• https://github.com/envoyproxy/envoy/commit/9b1c3962172a972bc0359398af6daa3790bb59db

• Multiple vulnerabilities in Envoy
• Multiple vulnerabilities in Red Hat OpenShift Service Mesh 2.0
• Multiple vulnerabilities in Red Hat OpenShift Service Mesh 2.1
• Multiple vulnerabilities in Red Hat OpenShift Service Mesh 2.1