Buffer overflow in envoy - CVE-2022-29228

 

Buffer overflow in envoy - CVE-2022-29228

Published: June 10, 2022


Vulnerability identifier: #VU64158
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-29228
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error when oauth filter calls continueDecoding(). A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.


Affected software

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

How to mitigate CVE-2022-29228

Install updates from vendor's website.

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

External References

Related Security Bulletins