F5 Networks BIG-IP HTTP/2 DoS (K000133467)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.0.3 / 16.1.4.1. It is, therefore, affected by a vulnerability as referenced in the K000133467 advisory. Undisclosed requests can cause the Traffic Management Microkernel TMM to terminate when a client-side HTTP/2...

F5 Networks BIG-IP : HTTP/2 vulnerability (K000137106)

The version of F5 Networks BIG-IP installed on the remote host is prior to 15.1.10.4 / 16.1.4.3 / 17.1.1.3. It is, therefore, affected by a vulnerability as referenced in the K000137106 advisory. The HTTP/2 protocol allows a denial of service server resource consumption because request cancellati...

Security Update for Microsoft .NET 7 Core (October 2023)

The version of Microsoft .NET 7 Core installed on the remote host is prior to 7.0.12. It is, therefore, affected by multiple vulnerabilities as referenced in the 2023Oct10 advisory. - A vulnerability exists in the ASP.NET Core Kestrel web server where a malicious client may flood the server with...

[SECURITY] [DSA 5522-2] tomcat9 regression update

------------------------------------------------------------------------- Debian Security Advisory DSA-5522-2 [email protected] https://www.debian.org/security/ Markus Koschany October 12, 2023 https://www.debian.org/security/faq -...

Top resources for Cybersecurity Awareness Month

Welcome to this weeks edition of the Threat Source newsletter. I didnt feel like I wanted to write anything special or witty this week given the current events in Israel and the Gaza Strip, but I will certainly advocate for any assistance readers would like to provide to the various organizations...

Denial Of Service (DoS)

Libraries that implement HTTP/2 are vulnerable to Denial Of Service DoS. The vulnerability could be exploited by attackers via sending a large number of HTTP/2 requests to a vulnerable server, then canceling them, causing the server to consume excessive resources and become unavailable to...

HTTP2 Zero-Day Exploited for the Most Explosive DDoS Attacks

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary A zero-day vulnerability in HTTP/2 has been actively exploited in August, introducing a novel DDoS technique referred as "Rapid Reset". The attack, utilizing CVE-2023-44487, exploits a vulnerabili...

Node.js 18.x < 18.18.2, 20.x < 20.8.1 Multiple Vulnerabilities - Windows

Node.js is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2023 Greenbone AG 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-only CPE = "cpe:/a:nodejs:node.js"; ifdescription...

Node.js 18.x < 18.18.2, 20.x < 20.8.1 Multiple Vulnerabilities - Mac OS X

Node.js is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2023 Greenbone AG 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-only CPE = "cpe:/a:nodejs:node.js"; ifdescription...

nghttp2 < 1.57.0 HTTP/2 Protocol DoS Vulnerability

nghttpd2 is prone to a denial of service DoS vulnerability in the HTTP/2 protocol. SPDX-FileCopyrightText: 2023 Greenbone AG 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-only CPE =...

H2O HTTP Server HTTP/2 Protocol DoS Vulnerability (GHSA-2m7v-gc89-fjqf)

H2O is prone to a denial of service DoS vulnerability in the HTTP/2 protocol. SPDX-FileCopyrightText: 2023 Greenbone AG 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-only CPE =...

Debian: Security Advisory (DSA-5522-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG 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-only ifdescription...

Eclipse Jetty HTTP/2 Protocol DoS Vulnerability (CVE-2023-44487) - Windows

Eclipse Jetty is prone to a denial of service DoS vulnerability in the HTTP/2 protocol. SPDX-FileCopyrightText: 2023 Greenbone AG 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-only CPE =...

Eclipse Jetty HTTP/2 Protocol DoS Vulnerability (CVE-2023-44487) - Linux

Eclipse Jetty is prone to a denial of service DoS vulnerability in the HTTP/2 protocol. SPDX-FileCopyrightText: 2023 Greenbone AG 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-only CPE =...

Eclipse Jetty HTTP/2 HPACK DoS Vulnerability (GHSA-wgh7-54f2-x98r) - Windows

Eclipse Jetty is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2023 Greenbone AG 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-only CPE = "cpe:/a:eclipse:jetty";...

Eclipse Jetty HTTP/2 HPACK DoS Vulnerability (GHSA-wgh7-54f2-x98r) - Linux

Eclipse Jetty is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2023 Greenbone AG 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-only CPE = "cpe:/a:eclipse:jetty";...

Apache Tomcat 9.0.70 < 9.0.81 Multiple Vulnerabilities

The version of Apache Tomcat installed on the remote host is 8.5.85 to 8.5.93, 9.0.70 to 9.0.80, 10.1.0-M1 to 10.1.13 or 11.0.0-M1 to 11.0.0-M11. It is, therefore, affected by multiple vulnerabilities : - Tomcat did not correctly parse HTTP trailer headers. A specially crafted, invalid trailer...

Security Updates for Microsoft ASP.NET Core (October 2023)

The version of ASP.NET core installed on the remote host is affected by a denial of service DoS vulnerability. The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wild in August through October...

What to know about the HTTP/2 Rapid Reset DDoS attacks

Cisco Talos is actively tracking the novel distributed denial-of-service DDoS attacks cloud services provider Cloudflare disclosed earlier this week. The techniques described in Cloudflares blog post resulted in a record-breaking DDoS attack and could facilitate much larger attacks in the future...

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...