cve-2023-44487-POC

cve-2023-44487 - http/2 ラピッドリセット攻撃 by 7pirqte これは何か http/2 ラピッドリセット攻撃のPoCです。基本的には、HEADERSフレームでストリームを開き、直後にRSTSTREAMを送信してキャンセルします。サーバーがストリームのセットアップと破棄のすべての処理を行う一方で、あなたはリクエストを送り続けるだけです。キャンセルされたストリームは最大ストリーム数の制限にカウントされないため、事実上無制限にリセットを送信できます。 これは2023年に発生した大規模なDDoS攻撃で使用されました。 インストール pip install -r...

http2-rst-stream-attacker

CVE-2023-44487 と http2-rst-stream-attacker CVE-2023-44487 CVE-2023-44487 は、HTTP2 プロトコルそのものに対するエクスプロイトです。HTTP2 では、データリクエストは HEADERS フレームを送信することで開始されます。このフレームを受信したサーバーはリクエストの処理を開始し、その後すべてのデータが送信されるまで DATA フレームを送信します。また HTTP2 は RSTSTREAM...

Astra Linux – Vulnerability in Golang-1.19

A malicious HTTP/2 client that quickly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is limited by the http2.Server.MaxConcurrentStreams setting, resetting an ongoing request allows the attacker to create a new...

JLSEC-2026-4 nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK...

OESA-2024-1389 nghttp2 security update

The framing layer of HTTP/2 is implemented as a form of reusable C library. On top of that, we have implemented HTTP/2 client, server and proxy. We have also developed load test and benchmarking tool for HTTP/2. Security Fixes: nghttp2 is an implementation of the Hypertext Transfer Protocol versi...

OESA-2024-1126 containerd security update

containerd is an industry-standard container runtime with an emphasis on simplicity, robustness and portability. It is available as a daemon for Linux and Windows, which can manage the complete container lifecycle of its host system: image transfer and storage, container execution and supervision...

CLSA-2023-1698689944 nginx: Fix of CVE-2023-44487

CVE-2023-44487: HTTP/2 - per-iteration stream handling limit...

gRPC-Go HTTP/2 Rapid Reset vulnerability

Impact In affected releases of gRPC-Go, it is possible for an attacker to send HTTP/2 requests, cancel them, and send subsequent requests, which is valid by the HTTP/2 protocol, but would cause the gRPC-Go server to launch more concurrent method handlers than the configured maximum stream limit...

CLSA-2023-1697742355 Fix CVE(s): CVE-2023-44487

SECURITY UPDATE: The HTTP/2 protocol allows a denial of service because request cancellation can reset many streams quickly - debian/patches/CVE-2023-44487.patch: HTTP/2 - per-iteration stream handling limit. - CVE-2023-44487...

AZL-34747 CVE-2023-39325 affecting package golang for versions less than 1.20.7-2

A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows the attacker to create a ne...

AZL-34590 CVE-2023-39325 affecting package cf-cli for versions less than 8.7.3-2

A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows the attacker to create a ne...

AZL-39895 CVE-2023-39325 affecting package git-lfs for versions less than 3.5.1-1

A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows the attacker to create a ne...

AZL-50339 CVE-2023-39325 affecting package prometheus for versions less than 2.37.9-2

A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows the attacker to create a ne...

AZL-34996 CVE-2023-39325 affecting package moby-containerd-cc for versions less than 1.7.1-5

A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows the attacker to create a ne...

AZL-34730 CVE-2023-39325 affecting package git-lfs for versions less than 3.6.1-1

A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows the attacker to create a ne...

AZL-43741 CVE-2023-39325 affecting package nmi 1.8.17-6

A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows the attacker to create a ne...

UBUNTU-CVE-2023-39325

A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress request allows the attacker to create a ne...

USN-6278-1: .NET vulnerabilities

It was discovered that .NET did not properly handle the execution of certain commands. An attacker could possibly use this issue to achieve remote code execution. CVE-2023-35390 Benoit Foucher discovered that .NET did not properly implement the QUIC stream limit in HTTP/3. An attacker could...

Denial of Service (DoS)

Overview Microsoft.AspNetCore.App.Runtime.win-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Denial of Service DoS in .NET Kestrel where a malicious...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS in .NET Kestrel where a malicious client can bypass QUIC stream limit in HTTP/3 in both ASP.NET and .NET runtimes, resulting in exploitation of this vulnerability. Note: .NET 6 included HTTP/3 support as a preview...