CVE-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...

CVE-2022-21654 Incorrect configuration handling allows TLS session re-use without re-validation in Envoy

Envoy is an open source edge and service proxy, designed for cloud-native applications. Envoy's tls allows re-use when some cert validation settings have changed from their default configuration. The only workaround for this issue is to ensure that default tls settings are used. Users are advised...

CVE-2021-29492

Envoy versions up to 1.18.2 contain a URL-path decoding flaw: escaped slashes (%2F, %5C) are not decoded, allowing an attacker to craft paths like /something%2F..%2Fadmin to bypass access controls and escalate privileges when RBAC/JWT filters enforce path-based policies. This can let a backend se...

Happy graduation, Envoy!

Envoy, the new darling of the DevOps community, performs the role of a service and edge proxy. With advanced features such as timeouts, rate limiting, circuit breaking, load balancing, retries, stats, logging, and distributed tracing are required to handle network failures in a fault tolerant and...

Best security practices for Trusted TLS Intermediary

According to Google over 75% of public websites are accessed over encrypted connections using HTTPS, with the use of HTTP diminishing. As expected, the bad actors are following the crowds, and using HTTPS to hide their activities. So how can security solutions such as ETP Threat Protector detect...