medium5.4
CVE-2023-27491
Envoy is an open source edge and service proxy designed for cloud-native applications.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Envoyproxy | Envoy | before 1.22.9 from 1.23.0 before 1.23.6 from 1.24.0 before 1.24.4 from 1.25.0 before 1.25.3 |
Weakness classification
References
- NVD record
- CVE.org record
- https://datatracker.ietf.org/doc/html/rfc9113#section-8.3
- https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp
- https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2
- https://datatracker.ietf.org/doc/html/rfc9113#section-8.3
- https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp
- https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2