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.
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Wed, 23 Oct 2024 21:15:00 +0000
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published: 2023-07-25T18:35:59.135Z
Updated: 2024-10-23T20:18:42.493Z
Reserved: 2023-06-20T14:02:45.597Z
Link: CVE-2023-35944
Vulnrichment
Updated: 2024-08-02T16:37:40.606Z
NVD
Status : Analyzed
Published: 2023-07-25T19:15:11.240
Modified: 2023-08-02T16:37:33.317
Link: CVE-2023-35944
Redhat