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CVE-2023-35943

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CVE-2023-35943

Published: Jul 25, 2023

Modified: Oct 24, 2024

PUBLISHED

CVSS v3.1

6.3

MEDIUM

Description

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, the CORS filter will segfault and crash Envoy when the `origin` header is removed and deleted between `decodeHeaders`and `encodeHeaders`. Versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12 have a fix for this issue. As a workaround, do not remove the `origin` header in the Envoy configuration.

VendorProductVersions

envoyproxy

envoy

affected
>= 1.26.0, < 1.26.4
affected
>= 1.25.0, < 1.25.9
affected
>= 1.24.0, < 1.24.10
affected
< 1.23.12

Weaknesses (CWE)

CWE-416

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

References

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