USN-3783-1: Apache HTTP Server vulnerabilities

Robert Swiecki discovered that the Apache HTTP Server HTTP/2 module incorrectly destroyed certain streams. A remote attacker could possibly use this issue to cause the server to crash, leading to a denial of service. CVE-2018-1302 Craig Young discovered that the Apache HTTP Server HTTP/2 module...

Apache HTTP Server HTTP/2 'SETTINGS' Data Processing DoS Vulnerability - Linux

Apache HTTP Server is prone to a denial of service DoS vulnerability. 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 CPE =...

Apache HTTP Server HTTP/2 'SETTINGS' Data Processing DoS Vulnerability - Windows

Apache HTTP Server is prone to a denial of service DoS vulnerability. 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 CPE =...

Apache 2.4.x < 2.4.35 DoS

According to its banner, the version of Apache running on the remote host is 2.4.x prior to 2.4.35. It is, therefore, affected by the following vulnerability: - By sending continuous SETTINGS frames of maximum size an ongoing HTTP/2 connection could be kept busy and would never time out. This can...

FreeBSD : Apache -- Denial of service vulnerability in HTTP/2 (e182c076-c189-11e8-a6d2-b499baebfeaf)

The Apache httpd project reports : low: DoS for HTTP/2 connections by continuous SETTINGS By sending continous SETTINGS frames of maximum size an ongoing HTTP/2 connection could be kept busy and would never time out. This can be abused for a DoS on the server. This only affect a server that has...

CVE-2018-11763

In Apache HTTP Server 2.4.17 to 2.4.34, 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...

Design/Logic Flaw

In Apache HTTP Server 2.4.17 to 2.4.34, 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

In Apache HTTP Server 2.4.17 to 2.4.34, 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

In Apache HTTP Server 2.4.17 to 2.4.34, 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

In Apache HTTP Server 2.4.17 to 2.4.34, 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

In Apache HTTP Server 2.4.17 to 2.4.34, 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

In Apache HTTP Server 2.4.17 to 2.4.34, 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...

PT-2018-1588

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.17 through 2.4.34 Description The issue is related to insufficient input validation in the Apache HTTP Server, which can be exploited by a remote attacker to cause a denial of service by exhausting the limit of...

CVE-2018-11763

In Apache HTTP Server 2.4.17 to 2.4.34, 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: Undefined Security Weakness

In Apache HTTP Server 2.4.17 to 2.4.34, 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...

Apache -- Denial of service vulnerability in HTTP/2

The Apache httpd project reports: low: DoS for HTTP/2 connections by continuous SETTINGS By sending continous SETTINGS frames of maximum size an ongoing HTTP/2 connection could be kept busy and would never time out. This can be abused for a DoS on the server. This only affect a server that has...

Design/Logic Flaw

A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpackvalididx resulted in a remote crash and denial of service...

CVE-2018-14645

A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpackvalididx resulted in a remote crash and denial of service...

CVE-2018-14645

A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpackvalididx resulted in a remote crash and denial of service...

CVE-2018-14645

HAProxy HPACK decoder in versions before 1.8.14 contains an out-of-bounds read in hpack_valid_idx(), leading to remote crash and denial of service. Affected: HAProxy’s HTTP/2 HPACK handling. Impact: remote crash/DoS. Mitigation: upgrade to HAProxy 1.8.14 or newer (as indicated by multiple advisor...