Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| 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 |
CWE
CWE-20
References
ADP enrichment
No English description supplied.
No English description supplied.
No references supplied.