CVE-2022-21655
High
Description
Envoy is an open source edge and service proxy, designed for cloud-native applications. The envoy common router will segfault if an internal redirect selects a route configured with direct response or redirect actions. This will result in a denial of service. As a workaround turn off internal redirects if direct response entries are configured on the same listener.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Envoy
PublishedFeb 22, 2022
First seenFeb 22, 2022
Weakness typeCWE-670CWE-670
How to fix
Update
- envoyproxy envoy1.18.6, 1.19.3, 1.20.2, 1.21.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| envoyproxy envoy | v < 1.18.6, 1.19.0 ≤ v < 1.19.3, 1.20.0 ≤ v < 1.20.2, 1.21.0 ≤ v < 1.21.1 | 1.18.6, 1.19.3, 1.20.2, 1.21.1 |
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