Envoy Proxy 安全漏洞

Envoy Proxy is a cloud-native, high-performance edge/intermediate/service proxy open-sourced by Envoy Proxy. A security vulnerability exists in Envoy Proxy that stems from the fact that sending a payload when resetting a request early could lead to a crash...

BIT-ENVOY-2024-45807 oghttp2 crash on OnBeginHeadersForStream in envoy

Envoy is a cloud-native high-performance edge/middle/service proxy. Envoy's 1.31 is using oghttp as the default HTTP/2 codec, and there are potential bugs around stream management in the codec. To resolve this Envoy will switch off the oghttp2 by default. The impact of this issue is that envoy wi...

CVE-2024-30255

Envoy's HTTP/2 implementation is vulnerable to CPU exhaustion from a flood of CONTINUATION frames in versions prior to 1.29.3, 1.28.2, 1.27.4, and 1.26.8. The vulnerability lets an attacker send unlimited CONTINUATION frames without END_HEADERS, causing high CPU usage and potential denial of serv...

BIT-ENVOY-2021-43825 Use-after-free in Envoy

Envoy is an open source edge and service proxy, designed for cloud-native applications. Sending a locally generated response must stop further processing of request or response data. Envoy tracks the amount of buffered request and response data and aborts the request if the amount of buffered dat...

BIT-ENVOY-2022-21655 Incorrect handling of internal redirects results in crash in Envoy

Envoy is an open source edge and service proxy, designed for cloud-native applications. The envoy common router will segfault if an internal redirect selects a route configured with direct response or redirect actions. This will result in a denial of service. As a workaround turn off internal...

BIT-ENVOY-2022-21656 X.509 subjectAltName matching bypass in Envoy

Envoy is an open source edge and service proxy, designed for cloud-native applications. The defaultvalidator.cc implementation used to implement the default certificate validation routines has a "type confusion" bug when processing subjectAltNames. This processing allows, for example, an rfc822Na...

BIT-ENVOY-2022-21657 X.509 Extended Key Usage and Trust Purposes bypass in Envoy

Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions Envoy does not restrict the set of certificates it accepts from the peer, either as a TLS client or a TLS server, to only those certificates that contain the necessary extendedKeyUsage...

BIT-ENVOY-2023-27491 Envoy forwards invalid Http2/Http3 downstream headers

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 request...

BIT-ENVOY-2024-23327 Crash in proxy protocol when command type of LOCAL in Envoy

Envoy is a high-performance edge/middle/service proxy. When PPv2 is enabled both on a listener and subsequent cluster, the Envoy instance will segfault when attempting to craft the upstream PPv2 header. This occurs when the downstream request has a command type of LOCAL and does not have the...

Design/Logic Flaw

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 wit...

Vulnerabilities fixed in Oracle Communications

Vulnerabilities have been fixed in Oracle Communications. The vulnerabilities allow a malicious party to carry out attacks execute attacks that result in the following categories of damage: Denial-of-Service DoS. Bypassing authentication Remote code execution User rights Access to system data...

Design/Logic Flaw

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, the OAuth filter assumes that a state query param is present on any response that looks like an OAuth redirect response. Sending it a request with t...

CVE-2023-27488

Envoy CVE-2023-27488 affects multiple 1.x branches prior to 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9. When an HTTP header with non-UTF-8 data is processed with ext_authz/ext_proc/tap/ratelimit and gRPC log services, Envoy could generate an invalid protobuf message. The receiving service could e...

CVE-2023-27487

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, the client may bypass JSON Web Token JWT checks and forge fake original paths. The header x-envoy-original-path should be an internal header, but...

CVE-2023-27487

CVE-2023-27487 affects Envoy (edge/service proxy). The issue: a client can forge the internal x-envoy-original-path header because Envoy does not remove it early in request processing, allowing forged values to influence trace/grpc logs and jwt_authn URL checks. Impact is high (confidentiality/in...

CVE-2022-29227 Use after free in Envoy

Envoy is a cloud-native high-performance edge/middle/service proxy. In versions prior to 1.22.1 if Envoy attempts to send an internal redirect of an HTTP request consisting of more than HTTP headers, there’s a lifetime bug which can be triggered. If while replaying the request Envoy sends a local...

CVE-2022-21656

Envoy is an open source edge and service proxy, designed for cloud-native applications. The defaultvalidator.cc implementation used to implement the default certificate validation routines has a "type confusion" bug when processing subjectAltNames. This processing allows, for example, an rfc822Na...

Design/Logic Flaw

Envoy is an open source edge and service proxy, designed for cloud-native applications. The envoy common router will segfault if an internal redirect selects a route configured with direct response or redirect actions. This will result in a denial of service. As a workaround turn off internal...

Type confusion

Envoy is an open source edge and service proxy, designed for cloud-native applications. The defaultvalidator.cc implementation used to implement the default certificate validation routines has a "type confusion" bug when processing subjectAltNames. This processing allows, for example, an rfc822Na...

CVE-2021-43825

CVE-2021-43825 is a vulnerability in Envoy where a buffer overflow during response processing in the filter chain may cause a use-after-free, potentially crashing the process and causing a denial of service. The provided connected documents (OSV, RHSA/Nessus listings) describe the issue as a use-...