BIT-envoy-2023-35944

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Import Source
https://github.com/bitnami/vulndb/tree/main/data/envoy/BIT-envoy-2023-35944.json
JSON Data
https://api.osv.dev/v1/vulns/BIT-envoy-2023-35944
Aliases
Published
2024-03-06T10:52:47.709Z
Modified
2025-05-20T10:02:07.006Z
Summary
Envoy vulnerable to incorrect handling of HTTP requests and responses with mixed case schemes
Details

Envoy is an open source edge and service proxy designed for cloud-native applications. Envoy allows mixed-case schemes in HTTP/2, however, some internal scheme checks are case-sensitive. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, this can lead to the rejection of requests with mixed-case schemes such as htTp or htTps, or the bypassing of some requests such as https in unencrypted connections. With a fix in versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, Envoy will now lowercase scheme values by default, and change the internal scheme checks that were case-sensitive to be case-insensitive. There are no known workarounds for this issue.

Database specific
{
    "cpes": [
        "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
}
References

Affected packages

Bitnami / envoy

Package

Name
envoy
Purl
pkg:bitnami/envoy

Severity

  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator

Affected ranges

Type
SEMVER
Events
Introduced
1.23.0
Fixed
1.23.12
Introduced
1.24.0
Fixed
1.24.10
Introduced
1.25.0
Fixed
1.25.9
Introduced
1.26.0
Fixed
1.26.4