CVE-2020-12604

Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream...

CVE-2020-12603

A flaw was found in Envoy in versions through 1.14.1. An excessive amount of memory may be consumed when proxying HTTP/2 requests and responses that contain many small e.g. 1 byte data frames. The highest threat from this vulnerability is to system availability...

RHEL 8 : nghttp2 (RHSA-2020:2755)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:2755 advisory. libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 HTTP/2 protocol in C. Security Fixes: nghttp2: overly large SETTINGS...

Important: nghttp2

Issue Overview: In nghttp2 before version 1.41.0, the overly large HTTP/2 SETTINGS frame payload causes denial of service. The proof of concept attack involves a malicious client constructing a SETTINGS frame with a length of 14,400 bytes 2400 individual settings entries over and over again. The...

Upgrade Tomcat to version 9.0.37

h3. Issue Summary The current version of Tomcat 9.0.33 bundled with Confluence at least up to Confluence version 7.6 is vulnerable to HTTP/2 Denial of Service CVE-2020-11996 https://tomcat.apache.org/security-8.htmlFixedinApacheTomcat9.0.36...

Upgrade Tomcat to version 9.0.37

h3. Issue Summary The current version of Tomcat 9.0.33 bundled with Confluence at least up to Confluence version 7.6 is vulnerable to HTTP/2 Denial of Service CVE-2020-11996 https://tomcat.apache.org/security-8.htmlFixedinApacheTomcat9.0.36...

Apache Tomcat DoS Vulnerability (Jun 2020) - Windows

Apache Tomcat is prone to a denial of service vulnerability. SPDX-FileCopyrightText: 2020 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:apache:tomcat"; if...

Apache Tomcat DoS Vulnerability (Jun 2020) - Linux

Apache Tomcat is prone to a denial of service vulnerability. SPDX-FileCopyrightText: 2020 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:apache:tomcat"; if...

Debian DSA-4710-1 : trafficserver - security update

A vulnerability was discovered in Apache Traffic Server, a reverse and forward proxy server, which could result in denial of service via malformed HTTP/2 headers. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Debian Security Advisory...

Apache Traffic Server Buffer Overflow Vulnerability

Apache Traffic Server ATS is the United States Apache Apache Software Foundation's set of scalable HTTP proxy and caching server. A security vulnerability exists in Apache Traffic Server versions 6.0.0 through 6.2.3, 7.0.0 through 7.1.10, and 8.0.0 through 8.0.7. The vulnerability can be exploite...

[ASA-202006-16] tomcat8: denial of service

Arch Linux Security Advisory ASA-202006-16 ========================================== Severity: Medium Date : 2020-06-28 CVE-ID : CVE-2020-11996 Package : tomcat8 Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-1197 Summary ======= The package tomcat8 before versio...

Debian: Security Advisory (DSA-4710-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2020 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...

CVE-2020-11996

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become...

CVE-2020-11996

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become...

CVE-2020-11996

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become...

Code injection

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become...

CVE-2020-11996

CVE-2020-11996 affects Apache Tomcat versions 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35, and 8.5.0 to 8.5.55, where a specially crafted sequence of HTTP/2 requests could trigger high CPU and make the server unresponsive. Multiple connected advisories confirm this DoS through HTTP/2 traffic. Publ...

CVE-2020-11996

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become...

CVE-2020-11996

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become...

CVE-2020-11996

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become...