Security Bulletin: CVE-2019-0199 The HTTP/2 implementation in embded Apache Tomcat Denial of Service Vulnerability

Summary Urbancode Deploy UCD: The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.14 and 8.5.0 to 8.5.37 accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open without reading/writing request/response data. By keeping streams open for...

Security Bulletin: CVE-2019-10072

Summary The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOWUPDATE messages for the connection window stream 0 clients were able to cause server-side threa...

openSUSE: Security Advisory for tomcat (openSUSE-SU-2020:1051-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

nghttp2: overly large SETTINGS frames can lead to DoS

A resource consumption vulnerability was found in nghttp2. This flaw allows an attacker to repeatedly construct an overly large HTTP/2 SETTINGS frame with a length of 14,400 bytes that causes excessive CPU usage, leading to a denial of service...

Apache Tomcat Multiple DoS Vulnerabilities (Jul 2020) - Windows

Apache Tomcat is prone to multiple denial of service vulnerabilities. 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 =...

Debian: Security Advisory (DLA-2279-1)

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...

Apache Tomcat Multiple DoS Vulnerabilities (Jul 2020) - Linux

Apache Tomcat is prone to multiple denial of service vulnerabilities. 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 =...

Apache Tomcat 8.5.0 < 8.5.57 multiple vulnerabilities

The version of Tomcat installed on the remote host is prior to 8.5.57. It is, therefore, affected by multiple vulnerabilities as referenced in the fixedinapachetomcat8.5.57security-8 advisory. - The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to...

CVE-2020-13934

An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service...

CVE-2020-13934

An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service...

CVE-2020-13934

CVE-2020-13934 affects multiple Apache Tomcat releases (8.5.1–8.5.56, 9.0.x, 10.0.x up to M6) where an h2c direct connection didn’t release the HTTP/1.1 processor after upgrading to HTTP/2, potentially causing OutOfMemoryError and denial of service. Public advisories across vendors and distributi...

Debian DLA-2279-1 : tomcat8 security update

Several security vulnerabilities have been discovered in the Tomcat servlet and JSP engine. CVE-2020-9484 When using Apache Tomcat and an attacker is able to control the contents and name of a file on the server; and b the server is configured to use the PersistenceManager with a FileStore; and c...

[SECURITY] [DLA 2279-1] tomcat8 security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-2279-1 [email protected] https://www.debian.org/lts/security/ Markus Koschany July 12, 2020 https://wiki.debian.org/LTS -...

Arista Networks CloudVision Portal Multiple Vulnerabilities (SA0043)

The version of Arista Networks CloudVision Portal running on the remote device is affected by the following vulnerabilities: - HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service DoS. An unauthenticated, remote attacker can exploit this, by sending...

Important: Red Hat Security Advisory: nghttp2 security update

An update for nghttp2 is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Apache Tomcat -- Multiple Vulnerabilities

The Apache Software Foundation reports: An h2c direct connection did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service. The payload length in a WebSocket frame was n...

Fixed in Apache Tomcat 9.0.37

Important: WebSocket DoS CVE-2020-13935 The payload length in a WebSocket frame was not correctly validated. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service. This was fixed with commit 40fa74c7. This issue wa...

Fixed in Apache Tomcat 8.5.57

Important: WebSocket DoS CVE-2020-13935 The payload length in a WebSocket frame was not correctly validated. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service. This was fixed with commit 12d71567. This issue wa...

Fixed in Apache Tomcat 10.0.0-M7

Important: WebSocket DoS CVE-2020-13935 The payload length in a WebSocket frame was not correctly validated. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service. This was fixed with commit 1c1c77b0. This issue wa...

Apache Tomcat 9.0.0.M1 < 9.0.36

The version of Tomcat installed on the remote host is prior to 9.0.36. It is, therefore, affected by a vulnerability as referenced in the fixedinapachetomcat9.0.36security-9 advisory. - 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 9.0.3...