CVE-2022-23606CWE-674

Crash when a cluster is deleted in Envoy

Medium · published February 22, 2022

CVSS v3.1
4.4
EPSS
1%
Percentile
63.0
In the wild
Unconfirmed
What it is

Envoy is an open source edge and service proxy, designed for cloud-native applications. When a cluster is deleted via Cluster Discovery Service (CDS) all idle connections established to endpoints in that cluster are disconnected. A recursion was introduced in the procedure of disconnecting idle connections that can lead to stack exhaustion and abnormal process termination when a cluster has a large number of idle connections. This infinite recursion causes Envoy to crash. Users are advised to upgrade.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01016 · 63.0th percentile
Weakness
CWE-674 · Uncontrolled Recursion
Published
2022-02-22T22:20Z
EPSS history
Timeline
  • 22 FEB 22:20Z
    Crash when a cluster is deleted in Envoy
    cvelistv5