KLA12364 Multiple vulnerabilities in Apache HTTP Server

Multiple vulnerabilities were found in Apache HTTP Server. Malicious users can exploit these vulnerabilities to spoof user interface, cause denial of service. Below is a complete list of vulnerabilities: 1. Security UI vulnerability in modsessioncookie can be exploited to spoof user interface. 2...

Guidance to adjust HTTP/2 SETTINGS frames

Executive Summary Microsoft is aware of a potential condition which can be triggered when malicious HTTP/2 requests are sent to a Windows Server with the http.sys service enabled. This could temporarily cause the system CPU usage to spike to 100% until the malicious connections are killed by...

openSUSE: Security Advisory for nginx (openSUSE-SU-2019:0195-1)

The remote host is missing an update for the Copyright C 2019 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...

openSUSE Security Update : nginx (openSUSE-2019-195)

This update for nginx fixes the following issues : nginx was updated to 1.14.2 : - Bugfix: nginx could not be built on Fedora 28 Linux. - Bugfix: in handling of client addresses when using unix domain listen sockets to work with datagrams on Linux. - Change: the logging level of the 'http request...

Important: Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.29 security update

An update is now available for JBoss Core Services on RHEL 6 and RHEL 7. 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 each vulnerability from...

Security update for nginx (moderate)

openSUSE Security Update: Security update for nginx Announcement ID: openSUSE-SU-2019:0195-1 Rating: moderate References: 1115015 1115022 1115025 Cross-References: CVE-2018-16843 CVE-2018-16844 CVE-2018-16845 Affected Products: openSUSE Leap 42.3 openSUSE Leap 15.0 SUSE Package Hub for SUSE Linux...

HAProxy HTTP2 Frame Size Heap Buffer Overflow (CVE-2018-10184)

A heap-based buffer overflow vulnerability exists in HAProxy. The vulnerability is due to incorrect validation of frame length on incoming HTTP/2 frames. A remote, unauthenticated attacker could exploit this vulnerability by sending a malicious request to the target server...

Security update for haproxy (important)

openSUSE Security Update: Security update for haproxy Announcement ID: openSUSE-SU-2019:0166-1 Rating: important References: 1121283 Cross-References: CVE-2018-20615 Affected Products: openSUSE Leap 15.0 An update that fixes one vulnerability is now available. Description: This update for haproxy...

SUSE SLES15 Security Update : nginx (SUSE-SU-2019:0334-1)

This update for nginx to version 1.14.2 fixes the following issues : Security vulnerabilities addressed : CVE-2018-16843 CVE-2018-16844: Fixed an issue whereby a client using HTTP/2 might cause excessive memory consumption and CPU usage bsc1115025 bsc1115022. CVE-2018-16845: Fixed an issue which...

SUSE-SU-2019:0334-1 Security update for nginx

This update for nginx to version 1.14.2 fixes the following issues: Security vulnerabilities addressed: - CVE-2018-16843 CVE-2018-16844: Fixed an issue whereby a client using HTTP/2 might cause excessive memory consumption and CPU usage bsc1115025 bsc1115022. - CVE-2018-16845: Fixed an issue whic...

HackerOne: Partial report contents leakage - via HTTP/2 concurrent stream handling

Summary: The concurrent handling of HTTP/2 streams allows for a "timeless timing attack": instead of timing, the ordering of responses is used, making the attack resilient to network jitter. As the /bugs.json endpoint takes slightly longer to process when a query returns results, it is possible t...

KLA11494 DOS vulnerability in Apache Tomcat

Incorrect requests handling int Apache HTTP/2. Malicious users can exploit this vulnerability to cause denial of service. Original advisories Apache Tomcat 8.x Security Vulnerabilities Related products Apache-Tomcat CVE list CVE-2019-0199 warning Solution Update to the latest version Download...

Fixed in Apache Tomcat 9.0.16

Note: The issue below was fixed in Apache Tomcat 9.0.15 but the release vote for the 9.0.15 release candidate did not pass. Therefore, although users must download 9.0.16 to obtain a version that includes a fix for these issues, version 9.0.15 is not included in the list of affected versions...

Fixed in Apache Tomcat 8.5.38

Important: Denial of Service CVE-2019-0199 The HTTP/2 implementation 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 Servlet API's...

Apache HTTP Server < 2.4.38 HTTP/2 DoS Vulnerability - Windows

By sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol. SPDX-FileCopyrightText: 2019...

Apache HTTP Server < 2.4.38 HTTP/2 DoS Vulnerability - Linux

By sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol. SPDX-FileCopyrightText: 2019...

Oracle Secure Global Desktop Multiple Vulnerabilities (January 2019 CPU)

The version of Oracle Secure Global Desktop installed on the remote host is 5.4 and is missing a security patch from the January 2019 Critical Patch Update CPU. It is, therefore, affected by multiple vulnerabilities: - A denial of service DoS vulnerability exists in Apache HTTP Server 2.4.17 to...

Apache 2.4.x < 2.4.34 Multiple Vulnerabilities

According to its banner, the version of Apache running on the remote host is 2.4.x prior to 2.4.34. It is, therefore, affected by the following vulnerabilities: - By specially crafting HTTP/2 requests, workers would be allocated 60 seconds longer than necessary, leading to worker exhaustion and a...

Design/Logic Flaw

In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 modhttp2 connections...

CVE-2018-17189

In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 modhttp2 connections...