CVE-2021-29258

An issue was discovered in Envoy 1.14.0. There is a remotely exploitable crash for HTTP2 Metadata, because an empty METADATA map triggers a Reachable Assertion...

PT-2021-18151 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy version 1.14.0 Description: An issue was discovered that allows for a remotely exploitable crash for HTTP2 Metadata. This occurs because an empty METADATA map triggers a Reachable Assertion. Recommendations: For Envoy version 1.14.0, at...

envoyproxy/envoy: crash with empty HTTP/2 metadata map

A flaw was found in envoyproxy. An attacker, able to craft an HTTP2 request that specifies an empty metadata map, can crash envoy resulting in a denial of service due to the null reference. The highest threat from this vulnerability is to system availability...