CVE-2023-27491

CVE Details

Release Date:

2023-04-04

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.

See more information about CVE-2023-27491 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	9.1	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (istio)	ELSA-2023-12355	2023-06-02
Oracle Linux version 7 (istio)	ELSA-2023-12357	2023-06-02
Oracle Linux version 7 (kubernetes)	ELSA-2023-12355	2023-06-02
Oracle Linux version 7 (kubernetes)	ELSA-2023-12357	2023-06-02
Oracle Linux version 7 (olcne)	ELSA-2023-12355	2023-06-02
Oracle Linux version 7 (olcne)	ELSA-2023-12357	2023-06-02
Oracle Linux version 7 (olcne)	ELSA-2023-23649	2023-06-02
Oracle Linux version 8 (istio)	ELSA-2023-12354	2023-06-02
Oracle Linux version 8 (istio)	ELSA-2023-12356	2023-06-02
Oracle Linux version 8 (kubernetes)	ELSA-2023-12354	2023-06-02
Oracle Linux version 8 (kubernetes)	ELSA-2023-12356	2023-06-02
Oracle Linux version 8 (olcne)	ELSA-2023-12354	2023-06-02
Oracle Linux version 8 (olcne)	ELSA-2023-12356	2023-06-02
Oracle Linux version 8 (olcne)	ELSA-2023-23648	2023-06-02

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team