CVE-2023-27491

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.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://datatracker.ietf.org/doc/html/rfc9113#section-8.3	Not Applicable
https://datatracker.ietf.org/doc/html/rfc9114#section-4.3.1	Not Applicable
https://github.com/envoyproxy/envoy/security/advisories/GHSA-5jmv-cw9p-f9rp	Exploit Vendor Advisory
https://www.rfc-editor.org/rfc/rfc9110#section-5.6.2	Not Applicable

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:envoyproxy:envoy::::::::
	cpe:2.3:a:envoyproxy:envoy::::::::
	cpe:2.3:a:envoyproxy:envoy::::::::
	cpe:2.3:a:envoyproxy:envoy::::::::

History

No history.

Information

Published : 2023-04-04 19:15

Updated : 2023-04-11 14:43

NVD link : CVE-2023-27491

Mitre link : CVE-2023-27491

CVE.ORG link : CVE-2023-27491

JSON object : View

Products Affected

envoyproxy

envoy

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

CWE-20

Improper Input Validation

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