Denial Of Service (DoS)

github.com/envoyproxy/envoy is vulnerability to Denial Of Service DoS. The vulnerability is due to instances with Proxy Protocol version 2 PPv2 enabled on both a listener and a subsequent cluster. When the downstream request has a command type of LOCAL and lacks the protocol block, attempting to...

CVE-2024-23325

Envoy is a high-performance edge/middle/service proxy. Envoy crashes in Proxy protocol when using an address type that isn’t supported by the OS. Envoy is susceptible to crashing on a host with IPv6 disabled and a listener config with proxy protocol enabled when it receives a request where the...

CVE-2024-23324

Envoy is a high-performance edge/middle/service proxy. External authentication can be bypassed by downstream connections. Downstream clients can force invalid gRPC requests to be sent to extauthz, circumventing extauthz checks when failuremodeallow is set to true. This issue has been addressed in...

CVE-2024-23327

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...

CVE-2024-23322

Envoy is a high-performance edge/middle/service proxy. Envoy will crash when certain timeouts happen within the same interval. The crash occurs when the following are true: 1. hedgeonpertrytimeout is enabled, 2. pertryidletimeout is enabled it can only be done in configuration, 3. per-try-timeout...

CVE-2024-23323

Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and...

Authentication flaw

Envoy is a high-performance edge/middle/service proxy. External authentication can be bypassed by downstream connections. Downstream clients can force invalid gRPC requests to be sent to extauthz, circumventing extauthz checks when failuremodeallow is set to true. This issue has been addressed in...

Design/Logic Flaw

Envoy is a high-performance edge/middle/service proxy. Envoy crashes in Proxy protocol when using an address type that isn’t supported by the OS. Envoy is susceptible to crashing on a host with IPv6 disabled and a listener config with proxy protocol enabled when it receives a request where the...

Design/Logic Flaw

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...

Code injection

Envoy is a high-performance edge/middle/service proxy. Envoy will crash when certain timeouts happen within the same interval. The crash occurs when the following are true: 1. hedgeonpertrytimeout is enabled, 2. pertryidletimeout is enabled it can only be done in configuration, 3. per-try-timeout...

Cross site request forgery (csrf)

Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and...

CVE-2024-23322 Envoy crashes when idle and request per try timeout occur within the backoff interval

Envoy is a high-performance edge/middle/service proxy. Envoy will crash when certain timeouts happen within the same interval. The crash occurs when the following are true: 1. hedgeonpertrytimeout is enabled, 2. pertryidletimeout is enabled it can only be done in configuration, 3. per-try-timeout...

CVE-2024-23322

Envoy proxy vulnerability set (CVE-2024-23322 and related CVEs 23323–23327). The primary issue (CVE-2024-23322) triggers a crash when hedge_on_per_try_timeout, per_try_idle_timeout, and per-try-timeout are enabled and their timings overlap within the idle backoff interval. The advisories state th...

CVE-2024-23322 Envoy crashes when idle and request per try timeout occur within the backoff interval

Envoy is a high-performance edge/middle/service proxy. Envoy will crash when certain timeouts happen within the same interval. The crash occurs when the following are true: 1. hedgeonpertrytimeout is enabled, 2. pertryidletimeout is enabled it can only be done in configuration, 3. per-try-timeout...

CVE-2024-23322 Envoy crashes when idle and request per try timeout occur within the backoff interval

Envoy is a high-performance edge/middle/service proxy. Envoy will crash when certain timeouts happen within the same interval. The crash occurs when the following are true: 1. hedgeonpertrytimeout is enabled, 2. pertryidletimeout is enabled it can only be done in configuration, 3. per-try-timeout...

CVE-2024-23323

Envoy CVE-2024-23323 affects the Envoy proxy where the regex matcher is compiled per request, causing high CPU and increased latency when multiple routes use such matchers. The issue has specific fixes in released versions 1.29.1, 1.28.1, 1.27.3, and 1.26.7; upgrading is advised. The provided doc...

CVE-2024-23323 Excessive CPU usage when URI template matcher is configured using regex in Envoy

Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and...

CVE-2024-23323 Excessive CPU usage when URI template matcher is configured using regex in Envoy

Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and...

CVE-2024-23323 Excessive CPU usage when URI template matcher is configured using regex in Envoy

Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and...

CVE-2024-23324 Envoy ext auth can be bypassed when Proxy protocol filter sets invalid UTF-8 metadata

Envoy is a high-performance edge/middle/service proxy. External authentication can be bypassed by downstream connections. Downstream clients can force invalid gRPC requests to be sent to extauthz, circumventing extauthz checks when failuremodeallow is set to true. This issue has been addressed in...