Apache Tomcat 8.5.x < 8.5.41 DoS Vulnerability

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CVE-2019-6619

On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel TMM may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation ALPN enabled and it processes traffic where the ALPN extension size is zero...

Code injection

On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel TMM may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation ALPN enabled and it processes traffic where the ALPN extension size is zero...

CVE-2019-6619

On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel TMM may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation ALPN enabled and it processes traffic where the ALPN extension size is zero...

CVE-2019-6619

The CVE-2019-6619 issue affects BIG-IP TMM where an HTTP/2 profile with ALPN enabled can trigger a TMM restart when processing traffic with a zero-length ALPN extension. Affected versions include BIG-IP 12.1.0–12.1.4, 13.0.0–13.1.1.4, and 14.0.0–14.1.0.1. The impact is a core dump and TMM restart...

Denial Of Service (DoS)

Apache HTTP Server is vulnerable to denial of serviceDoS attacks. A remote user could send a specially crafted HTTP/2 request to trigger a null pointer dereference in the modhttp2 component and cause the server process to crash...

Denial Of Service (DoS)

Apache HTTP Server is vulnerable to denial of serviceDoS attacks. This occurs in httpd's handling of the LimitRequestFields directive in modhttp2, affecting servers with HTTP/2 enabled. An attacker could send crafted CONTINUATION frames in an HTTP/2 requests with headers larger than the server's...

Out-of-bounds Read

Thunderbird, Firefox ESR, and Firefox are vulnerable to out-of-bounds read. When an HTTP/2 connection sends "DATA" frames with incorrect data content out-of-bounds memory read may occur resulting in denial of service conditions...

F5 Networks BIG-IP : HTTP/2 ALPN vulnerability (K94563344)

The Traffic Management Microkernel TMMmay restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation ALPNenabled and it processes traffic where the ALPN extension size is zero.CVE-2019-6619 Impact BIG-IP The Traffic Management Microkernel TMM generates a core...

www/varnish7 -- Denial of Service

The Varnish Development Team reports: A denial of service attack can be performed on Varnish Cacher servers that have the HTTP/2 protocol turned on. An attacker can let the servers HTTP/2 connection control flow window run out of credits indefinitely and prevent progress in the processing of...

Apache Tomcat DoS Vulnerability (Mar 2019) - Linux

Apache Tomcat is prone to a denial of service vulnerability in the HTTP/2 implementation. SPDX-FileCopyrightText: 2019 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 DoS Vulnerability (Mar 2019) - Windows

Apache Tomcat is prone to a denial of service vulnerability in the HTTP/2 implementation. SPDX-FileCopyrightText: 2019 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 2.4.x < 2.4.38 Multiple Vulnerabilities

According to its banner, the version of Apache running on the remote host is 2.4.x prior to 2.4.38. It is, therefore, affected by multiple vulnerabilities: - A denial of service DoS vulnerability exists in HTTP/2 steam handling. An unauthenticated, remote attacker can exploit this issue, via...

openSUSE Security Update : apache2 (openSUSE-2019-1190)

This update for apache2 fixes the following issues : - CVE-2019-0220: The Apache HTTP server did not use a consistent strategy for URL normalization throughout all of its components. In particular, consecutive slashes were not always collapsed. Attackers could potentially abuse these...

Security update for apache2 (important)

openSUSE Security Update: Security update for apache2 Announcement ID: openSUSE-SU-2019:1190-1 Rating: important References: 1131233 1131237 1131239 1131241 1131245 Cross-References: CVE-2019-0196 CVE-2019-0197 CVE-2019-0211 CVE-2019-0217 CVE-2019-0220 Affected Products: openSUSE Leap 42.3 An...

CVE-2019-0199

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 requests that utilised the Servle...

CVE-2019-0199

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 requests that utilised the Servle...

Open redirect

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 requests that utilised the Servle...

CVE-2019-0199

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 requests that utilised the Servle...

CVE-2019-0199

The CVE-2019-0199 entry concerns Apache Tomcat’s HTTP/2 implementation. Affected products/versions: Tomcat 9.0.0.M1–9.0.14 and 8.5.0–8.5.37 (per public advisories) allowed streams to accumulate excessive SETTINGS frames and kept streams open when using Servlet API blocking I/O. Root cause: improp...