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...

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...

Authentication flaw

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...

CVE-2021-29258

CVE-2021-29258 affects Envoy 1.14.0, causing a remote crash in HTTP2 Metadata triggered by an empty METADATA map → Reachable Assertion. CVSSv3.1 base score 7.5 (HIGH, NETWORK, no user interaction). The connected BIT-ENVOY entry confirms the issue; no exploitation details or fixed-version info are...

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...

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...

CVE-2021-29258: Reachable Assertion

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...

netty: possible request smuggling in HTTP/2 due missing validation

In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a Content-Length header is present in the original HTTP/2 request, the field is not validated by Http2MultiplexHandler as it is propagated up. This is fine as long as the...

OESA-2021-1161 netty security update

Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. %package help Summary: Documents for %name Buildarch: noarch Requires: man info Provides: %name-javadoc = %version-%release Obsoletes: %name-javad...

openSUSE: Security Advisory for nodejs14 (openSUSE-SU-2021:0356-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

openSUSE: Security Advisory for nodejs14 (openSUSE-SU-2021:0066-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

openSUSE: Security Advisory for nodejs12 (openSUSE-SU-2021:0357-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

CVE-2021-29258

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...

http2smugl: HTTP2 request smuggling security testing tool

HTTP/2 become the standard defacto for the modern web and causes new application security risks. The HTTP2 request smuggling is one of a few HTTP/2 vulnerabilities with the high severity that raised last year. In this post, we will describe it in detail and suggest an open-source tool http2smugl...

netty: possible request smuggling in HTTP/2 due missing validation

In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a Content-Length header is present in the original HTTP/2 request, the field is not validated by Http2MultiplexHandler as it is propagated up. This is fine as long as the...

HTTP Request Smuggling

netty-codec-http2 is vulnerable to HTTP request smuggling. The vulnerability exists through an incomplete fix in CVE-2021-21295 where the content-length header is not properly validated if the request uses a single Http2HeaderFrame, and with endStream set to true...

Design/Logic Flaw

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.61.Final there is a vulnerability that enables request smuggling. The...

CVE-2021-21409

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.61.Final there is a vulnerability that enables request smuggling. The...

CVE-2021-21409

The CVE concerns Netty’s HTTP/2 codec (io.netty:netty-codec-http2) where, before version 4.1.61.Final, a Content-Length check can be bypassed when a single Http2HeaderFrame with endStream set to true is used. This enables HTTP request smuggling if the request is proxied and translated to HTTP/1.1...

CVE-2021-21409: Inconsistent Interpretation of HTTP Requests

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty io.netty:netty-codec-http2 before version 4.1.61.Final there is a vulnerability that enables request smuggling. The...