CVE-2023-27491
Medium
Description
Envoy is an open source edge and service proxy designed for cloud-native applications. Compliant HTTP/1 service should reject malformed request lines. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, There is a possibility that non compliant HTTP/1 service may allow malformed requests, potentially leading to a bypass of security policies. This issue is fixed in versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9.
SeverityMedium
CVSS5.4
Exploit probability—
Product
Envoy
PublishedApr 4, 2023
First seenApr 4, 2023
Weakness typeCWE-20Improper input validation
How to fix
Update
- envoyproxy envoy1.22.9, 1.23.6, 1.24.4, 1.25.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| envoyproxy envoy | v < 1.22.9, 1.23.0 ≤ v < 1.23.6, 1.24.0 ≤ v < 1.24.4, 1.25.0 ≤ v < 1.25.3 | 1.22.9, 1.23.6, 1.24.4, 1.25.3 |
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