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 Updates for Microsoft Visual Studio Products (October 2023)

The Microsoft Visual Studio Products are missing security updates. It is, therefore, affected by multiple denial of service vulnerabilities: - A denial of service DoS vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services...

[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...

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 =...

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 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";...

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";...

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...

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 =...

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...

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...

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...