Node.js: Node.js HTTP/2 Large Settings Frame DoS

Hi, I would like to report a vulnerability in the http2 module of Node.js. In section 10.5 of the HTTP/2 RFC an attack is described where an attacker is sending large SETTINGS frames that includes many settings inside it. We tested this scenario by opening many connections to the server and sendi...

Updated nginx package fixes security vulnerabilities

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption CVE-2018-16843. nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage...

Moderate: Red Hat Security Advisory: httpd24 security, bug fix, and enhancement update

An update for httpd24-httpd, httpd24-nghttp2, and httpd24-curl is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, ...

nginx 1.9.5 < 1.14.1, 1.15.x < 1.15.6 Multiple Vulnerabilities

Two security issues were identified in the nginx HTTP/2 implementation, which might cause excessive memory consumption and CPU usage. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

openSUSE Security Update : apache2 (openSUSE-2018-1378)

This update for apache2 fixes the following issues : Security issues fixed : - CVE-2018-11763: In Apache HTTP Server by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2...

Security update for apache2 (important)

This update for apache2 fixes the following issues: Security issues fixed: - CVE-2018-11763: In Apache HTTP Server by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2...

Amazon Linux 2 : mod_http2 (ALAS-2018-1104)

In Apache HTTP Server, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.CVE-2018-11763 C Tenable...

Debian DSA-4335-1 : nginx - security update

Three vulnerabilities were discovered in Nginx, a high-performance web and reverse proxy server, which could result in denial of service in processing HTTP/2 via excessive memory/CPU usage or server memory disclosure in the ngxhttpmp4module module used for server-side MP4 streaming. C Tenable...

Ubuntu: Security Advisory (USN-3812-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : nginx vulnerabilities (USN-3812-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3812-1 advisory. It was discovered that nginx incorrectly handled the HTTP/2 implementation. A remote attacker could possibly use this issue to...

USN-3812-1: nginx vulnerabilities

It was discovered that nginx incorrectly handled the HTTP/2 implementation. A remote attacker could possibly use this issue to cause excessive memory consumption, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. CVE-2018-16843 Gal...

CVE-2018-16844

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuration file...

Default configuration

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuration file...

CVE-2018-16843

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuratio...

Design/Logic Flaw

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuratio...

CVE-2018-16844

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuration file...

CVE-2018-16843

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuratio...

CVE-2018-16843

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuratio...

CVE-2018-16844

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngxhttpv2module not compiled by default if the 'http2' option of the 'listen' directive is used in a configuration file...

CVE-2018-16843

CVE-2018-16843 affects nginx before 1.15.6 and 1.14.1, where HTTP/2 implementation vulnerabilities in ngx_http_v2_module (if http2 is enabled) can cause excessive memory usage. Connected advisories also reference related CVEs (16844/16845) and show multiple distributions (Debian, Fedora/Red Hat, ...